mwhallberg.dk is a .dk domain served by 2 nameservers (mustafa.ns.cloudflare.com, ullis.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.181 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.dragontech.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.29.181 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.149.151 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.dragontech.dk | 167.86.78.83 2a02:c207:2248:59::1 |
mx01.hallbergit.dk mx01.hallbergit.dk |
AS51167 Contabo GmbH AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | maildiscover.hallbergit.dk → 167.86.78.83 |
| 🔶 Autoconfig | maildiscover.hallbergit.dk → 167.86.78.83 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:9597 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1db5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.29.181,172.67.149.151 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9597,2606:4700:3033::6815:1db5 |
| TXT Record |
|---|
| have-i-been-pwned-verification=4a93ff4104a2a6238178e47f35fd3680 |
| v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (mwhallberg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (_dmarc.mwhallberg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:dmarc@onhallbergit.dk; ruf=mailto:dmarc@onhallbergit.dk; fo=0 |
| 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 | 104.21.29.181 172.67.149.151 2606:4700:3031::ac43:9597 2606:4700:3033::6815:1db5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mwhallberg.dk: 104.21.29.181 172.67.149.151 2606:4700:3031::ac43:9597 2606:4700:3033::6815:1db5 (AS13335) www.mwhallberg.dk: 104.21.29.181 172.67.149.151 2606:4700:3031::ac43:9597 2606:4700:3033::6815:1db5 (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 |
DNS lookups: 1/10 · 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 | 2416220349 |
| Primary NS (MNAME) | mustafa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:56:21 shown | 966ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 16:47:00 | 1024ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 16:21:40 | 2732ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-22 13:54:00 | 769ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-19 23:49:14 | 968ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-15 03:25:41 | 1862ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-01 03:10:02 | 1135ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 10:56:56 | 1601ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-08 08:09:46 | 1387ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-03 16:41:04 | 17026ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-22 17:37:20 | 2018ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-18 04:54:02 | 3593ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-16 18:41:13 | 1491ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-23 15:28:45 | 1534ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 22:20:52 | 1343ms | 2 NS 2 A 1 MX | 🔒 Secure |