bierstedaf.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 15 September 2010 (WHOIS) and 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 | — | AS3292 | TDC Holding A/S | 80.196.0.0/14 | 🇩🇰 Denmark | Herlev |
| 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 | 2026011645 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2010-09-15 |
| Expires | 2027-09-30 (346d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 489.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 14:51:16 | 1475ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 20:16:17 | 1624ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 20:05:18 shown | 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 | 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 |