gertzahle.dk

📜 Historical scan 2026-07-21 19:47:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gertzahle.dk is a .dk domain served by 2 nameservers (dom.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 2 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.58 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   50ms

🌍 A Records#

2 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.28.58 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.170.99 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   39ms

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.28.58,172.67.170.99 ech=AEX+DQBBcgAgACDYDgAMDic6dU2i2YrDDQSxYBfSbgxYxuKkA9g4Vd1yNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1c3a,2606:4700:3033::ac43:aa63

📝 TXT Records#

1 records   209ms
TXT Record
v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all

✉️ SPF#

PolicyRecord (gertzahle.dk)
~all (soft fail) v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 07:21:42
www104.21.28.58 172.67.170.99 2606:4700:3033::6815:1c3a 2606:4700:3033::ac43:aa63 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.gertzahle.dk bWubyIR5DkOp1xThMVA9xPH24q-cCzL_jBMMuC_Ztro

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

114ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'gertzahle.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

0ms
FieldValue
Serial2410064733
Primary NS (MNAME)dom.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 07:33:01
FieldValue
Registrarnordicway ApS
Registered2015-02-02
Expires2027-02-28 (125d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
47ms
MX
43ms
AAAA
39ms
TXT
209ms
CAA
31ms
HTTPS
38ms
TLSA
662ms
SOA
0ms
MTA-STS
48ms
DNSSEC
114ms
SRV
98ms
Total
1538ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 07:21:42 403ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-14 06:20:05 4042ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-03 21:37:50 496ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 14:45:48 2446ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-22 16:56:29 1209ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-19 13:56:40 684ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-04 08:08:57 2426ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 21:28:33 740ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-27 04:55:40 551ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 04:54:21 659ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 11:25:17 544ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-16 13:16:31 8774ms 2 NS 2 A 0 MX ❓ Unknown
2026-08-06 06:16:55 1140ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-21 19:47:57 shown 1538ms 2 NS 2 A 0 MX ❓ Unknown
2026-07-14 12:38:23 955ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-20 03:52:00 469ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 21:43:22 503ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 09:35:10 551ms 2 NS 2 A 0 MX 🔓 Insecure
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