arnetømrer.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, meera.ns.cloudflare.com). It was registered on 19 April 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by xnarnetmrerp8a-dk0m2c.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.27.212 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.192 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3037::6815:1bd4 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a9c0 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.212,172.67.169.192 ech=AEX+DQBBvAAgACBDGjd7KAA//oYh2o3NrutZX4VpGmOe42gVNB175MZ0bAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1bd4,2606:4700:3037::ac43:a9c0 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (arnetømrer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.arnetømrer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@arnetoemrer.dk |
| www | 104.21.27.212 172.67.169.192 2606:4700:3033::ac43:a9c0 2606:4700:3037::6815:1bd4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network arnetømrer.dk: 104.21.27.212 172.67.169.192 2606:4700:3033::ac43:a9c0 2606:4700:3037::6815:1bd4 (AS13335) www.arnetømrer.dk: 104.21.27.212 172.67.169.192 2606:4700:3033::ac43:a9c0 2606:4700:3037::6815:1bd4 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-xnarnetmrerp8a-dk0m2c._domainkey.ajtsf.onmicrosoft.com | RSA · ~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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2407806165 |
| Primary NS (MNAME) | ed.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-04-19 |
| Expires | 2027-04-30 (192d) |
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).
| Domain | Registrar |
|---|---|
| arnetomrer.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:49:20 | 3211ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-08 16:02:57 | 605ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 10:10:08 | 1007ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-28 23:49:58 | 1355ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-18 07:35:51 | 1422ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 03:56:37 | 874ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-19 15:33:40 | 4518ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-18 15:30:09 | 2308ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-16 00:53:59 | 1636ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-14 17:37:48 | 2022ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-13 15:02:50 | 1917ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-12 01:14:40 | 7854ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-19 01:01:58 | 10143ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-13 00:41:56 | 1373ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-04 21:39:45 | 1869ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 13:07:31 shown | 2223ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-22 04:48:49 | 885ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 13:40:25 | 1269ms | 2 NS 2 A 1 MX | 🔒 Secure |