hallbergit.dk is a .dk domain served by 2 nameservers (mustafa.ns.cloudflare.com, ullis.ns.cloudflare.com). It was registered on 18 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by hallbergit-dk.mail.protection.outlook.com, mx01.hallbergit.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.10 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.182.177 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | autodiscover.outlook.com → 40.104.116.8 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b6b1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:240a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.10,172.67.182.177 ech=AEX+DQBBxAAgACB6v9RocY4IYWF5yo2WCtsfddBNdEBmztXt4DCEi9tKRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b6b1,2606:4700:3037::6815:240a |
| TXT Record |
|---|
| google-site-verification=6C6CCsp2bCqNeCVxot7f9AfKnTgFUFlDg2_Dt2hz5dg |
| have-i-been-pwned-verification=f14024068643f97839eac135978c89ba |
| MS=ms40690029 |
| v=spf1 include:_spf.hallbergit.dk include:spf.protection.outlook.com -all |
| Policy | Record (hallbergit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.hallbergit.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.hallbergit.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarc@onhallbergit.dk; ruf=mailto:dmarc@onhallbergit.dk; fo=0; adkim=s; aspf=s |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 20241021234126Z |
| max_age | 86400s |
| Policy MX | mx01.hallbergit.dk, mx02.hallbergit.dk, mx.dragontech.dk, mail.dragontech.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tls-report@hallbergit.dk |
| www | 104.21.36.10 172.67.182.177 2606:4700:3031::ac43:b6b1 2606:4700:3037::6815:240a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hallbergit.dk: 104.21.36.10 172.67.182.177 2606:4700:3031::ac43:b6b1 2606:4700:3037::6815:240a (AS13335) www.hallbergit.dk: 104.21.36.10 172.67.182.177 2606:4700:3031::ac43:b6b1 2606:4700:3037::6815:240a (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-hallbergit-dk._domainkey.hallbergit.k-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-hallbergit-dk._domainkey.hallbergit.k-v1.dkim.mail.microsoft | 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2408391344 |
| Primary NS (MNAME) | mustafa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2022-03-18 |
| Expires | 2027-03-17 (150d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 00:31:04 | 1895ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-08 16:34:31 | 1470ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 14:07:33 | 6298ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 13:57:01 | 1253ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 09:11:23 | 1500ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-19 08:02:22 | 1513ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-16 03:13:47 | 2791ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-12 15:47:57 | 2317ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-31 23:11:36 | 10652ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 21:45:58 | 2077ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-16 10:19:10 | 2829ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-07 10:37:23 | 3299ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-02 17:58:50 | 3462ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-27 19:14:06 | 18055ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-21 09:24:03 | 9778ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-20 03:10:02 | 17407ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-15 00:28:56 | 1381ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-02 19:40:54 shown | 1524ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-20 11:37:24 | 3496ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-17 10:48:18 | 1616ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-17 10:47:53 | 1246ms | 2 NS 2 A 2 MX | 🔒 Secure |