Dashboard / Healthcare / columbiaasia.com
Healthcare /

Columbia Asia Hospitals

columbiaasia.com

Last checked: 17 hours ago

Download Report
Partially Compliant
MGv6C-1.0
82%
Partial Support
Works on IPv6 Only?
Website Ready
DNS Ready
Email Not Ready

IPv6 Addresses Detected

2606:4700:10::ac42:9878 2606:4700:10::6814:2657

IPv4 Addresses Detected

172.66.152.120 104.20.38.87

Network Information

WHOIS

IPv6 Network

Organization
Cloudflare, Inc.
Country
US
ASN
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
Network
2606:4700::/32

IPv4 Network

Organization
Cloudflare, Inc.
Country
US
ASN
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
Network
172.64.0.0/13

Web Services

35%
8/8
AAAA Record

The domain has at least one IPv6 address (AAAA DNS record).

✓ 2606:4700:10::ac42:9878, 2606:4700:10::6814:2657

+1
Globally Routable IPv6

The IPv6 addresses are publicly routable — not link-local, ULA, loopback or documentation ranges.

✓ All addresses are globally routable.

+1
HTTP over IPv6

Website reachable on port 80 when connecting via IPv6.

✓ HTTP (port 80) responds over IPv6 — 492ms TTFB.

+1
HTTPS over IPv6

Website reachable on port 443 when connecting via IPv6.

✓ HTTPS (port 443) responds over IPv6 — 354ms TTFB.

+1
IPv6-Only Reachability

Website responds when connected exclusively over IPv6, with no IPv4 fallback. Simulates what happens when IPv4 is turned off.

✓ Site is fully reachable via IPv6-only.

+1
TLS Certificate Valid (IPv6)

The SSL/TLS certificate is valid, not expired, and matches the domain when connected via IPv6.

✓ Certificate valid — issued by C = US, ST = Arizona, L = Scottsdale, O = "GoDaddy.com, Inc.", OU = http://certs.godaddy.com/repository/, CN = Go Daddy Secure Certificate Authority - G2, expires Aug 5 05:49:01 2026 GMT

+1
Dual-Stack (IPv4 + IPv6)

The domain has both A and AAAA records for backwards compatibility during the IPv6 transition.

✓ Domain has both A and AAAA records.

+1
HTTP/3 (QUIC)

Server advertises HTTP/3 support via the Alt-Svc: h3 header.

✓ Alt-Svc: h3 header detected.

+1

DNS & DNSSEC

25%
3/5
NS Has AAAA Record

At least one authoritative nameserver has an IPv6 address (AAAA record).

✓ Nameserver has IPv6 address.

+1
NS Reachable via IPv6

Authoritative nameserver accepts TCP connections on port 53 over IPv6.

✓ Nameserver is reachable via IPv6 on port 53.

+1
NS Answers Queries via IPv6

Nameserver actually resolves DNS queries when asked over IPv6 — not just TCP open, but functionally answering.

✓ DNS queries answered over IPv6.

+1
DNSSEC Validated

Full DNSSEC chain-of-trust validation passes. Prevents DNS cache poisoning and spoofing.

✗ DNSSEC validation failed or zone is unsigned.

0
Reverse DNS (PTR)

A PTR record exists in ip6.arpa for the IPv6 address. Important for email delivery and network diagnostics.

✗ No PTR record found.

0
DS Record at Parent

Delegation Signer record exists in the parent zone.

✗ No DS record at parent.

RRSIG Valid

RRSIG signatures are present and not expired.

✗ No valid RRSIG found.

Signing Algorithm

The cryptographic algorithm used for DNSSEC signing.

No DNSKEY record found.

Email Services

25%
4/6
MX Record Exists

The domain has at least one MX (Mail Exchange) DNS record pointing to a mail server.

✓ MX record found.

+1
MX Server Has IPv6

The highest-priority MX server resolves to an IPv6 address (AAAA record).

✓ MX server has AAAA record.

+1
SMTP Reachable via IPv6

The MX server accepts SMTP connections (port 25) over IPv6 and responds with a 220 banner.

✗ SMTP is not reachable over IPv6.

0
STARTTLS over IPv6

The MX server supports STARTTLS encryption when connected over IPv6.

✗ STARTTLS not available over IPv6.

0
SPF Record

A TXT record with v=spf1 exists, declaring which servers may send email for this domain.

✓ SPF record found.

+1
DKIM Selector

A DKIM public key is published at a common selector, enabling email signature verification.

DKIM selector found: selector1._domainkey

DMARC Record

A DMARC policy record exists at _dmarc.<domain>, enabling email authentication reporting.

✓ DMARC record found.

+1

IPv4 Baseline

15%
3/3
A Record

The domain has at least one IPv4 address (A DNS record).

✓ 172.66.152.120, 104.20.38.87

+1
HTTP over IPv4

Website reachable on port 80 when connecting via IPv4.

✓ HTTP (port 80) responds over IPv4 — 423ms TTFB.

+1
HTTPS over IPv4

Website reachable on port 443 when connecting via IPv4.

✓ HTTPS (port 443) responds over IPv4 — 309ms TTFB.

+1

DNS Resolution Performance

Comparison of A (IPv4) vs AAAA (IPv6) query times across resolvers and transports. Shows median (p50) of 3 samples.

Resolver Transport A (IPv4) AAAA (IPv6) Delta
System Default 12.99 ms (p95: 20.62) 10.78 ms (p95: 20.76) -2.2 ms
Google IPv4 34.8 ms (p95: 35.76) 22.28 ms (p95: 35.34) -12.5 ms
Google IPv6 25.14 ms (p95: 37.32) 31.63 ms (p95: 34.7) +6.5 ms
Cloudflare IPv4 14.64 ms (p95: 24.27) 24.05 ms (p95: 32.4) +9.4 ms
Cloudflare IPv6 19.81 ms (p95: 21.89) 23.05 ms (p95: 29.66) +3.2 ms
Tamper-evident evidence record

This result is backed by an HMAC-SHA256 signed evidence record. Scan the code or follow the link to verify the audit trail independently.

97ed26a1-71d6-47e7-bd5c-dc6463045b72
View Audit Trail →

Score History

Check History

Last 1 checks

Date Score Status Triggered By
04 Jul 2026
03:38 UTC 		82 % Partial manual