a1b.dk

📜 Historical scan 2026-08-21 20:45:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a1b.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, stan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.95 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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   83ms

🌍 A Records#

2 records   98ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.55.95 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.147.50 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   101ms

🔐 HTTPS Records#

1 records   96ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.55.95,172.67.147.50 ech=AEX+DQBB9AAgACD3ERJYIyHv89YHXNmqxmsBt/DtotScGXwetZzWWVbEAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9332,2606:4700:3036::6815:375f

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-13 19:31:38
wwwNXDOMAIN
www vs bare domainwww does not resolve (all like this)
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.a1b.dk 3otok_bhRvbUCFRPCaFCBpH89qPQUSbwvddCQXinHpE
TXT _acme-challenge.a1b.dk _6r_wxWkmXDx85tbGJdkhj9QdV4S4c32rTJsXkHRVzA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

208ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412800630
Primary NS (MNAME)fiona.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
83ms
A
98ms
MX
102ms
AAAA
101ms
TXT
375ms
CAA
94ms
HTTPS
96ms
TLSA
84ms
SOA
0ms
MTA-STS
127ms
DNSSEC
208ms
SRV
911ms
Total
2057ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-27 13:06:55 2415ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-16 18:22:23 525ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 12:33:15 697ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-23 22:49:28 2737ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-22 20:46:21 887ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-21 20:45:10 shown 2057ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-20 20:30:49 8201ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-19 06:27:05 1155ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-26 14:15:34 750ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-22 04:35:00 914ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 04:54:09 2338ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 13:15:10 522ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone