bierstedaf.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.196.101.244 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.foreningsmail.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.196.101.244 | 3600s | linux15.wannafind.dk | AS3292 | TDC Holding A/S | 80.196.0.0/14 | 🇩🇰 Denmark | Roskilde |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.foreningsmail.dk | 34.140.124.121 | 121.124.140.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cust-www1.arrownet.dk → 62.61.131.6 |
| 🔶 Autoconfig | cust-www1.arrownet.dk → 62.61.131.6 |
| TXT Record |
|---|
| v=spf1 include:_spf_forening.mail.dk include:tuknet.pantheradmin.com ~all |
| Policy | Record (bierstedaf.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf_forening.mail.dk include:tuknet.pantheradmin.com ~all |
| Policy | Record (_dmarc.bierstedaf.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com |
| www CNAME | www.bierstedantenneforening.dk (all on bierstedantenneforening.dk) → 185.21.40.37 (AS48854) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bierstedaf.dk | cust-www1.arrownet.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026011632 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 20:16:17 | 1624ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 20:05:18 | 696ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 11:50:28 | 895ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 19:29:26 | 911ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 14:58:07 | 937ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 19:41:33 | 876ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 16:18:04 | 1765ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 05:25:50 | 3615ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 04:49:36 | 3690ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 06:36:05 | 1330ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 23:00:43 | 2941ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 17:18:28 shown | 9967ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 14:41:21 | 2849ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 08:18:55 | 828ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 19:22:01 | 915ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 23:00:52 | 1120ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 10:20:01 | 2045ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 17:50:04 | 810ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 17:18:53 | 980ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 20:48:52 | 584ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 14:29:40 | 702ms | 4 NS 1 A 1 MX | 🔒 Secure |