onhallbergit.dk is a .dk domain served by 2 nameservers (mustafa.ns.cloudflare.com, ullis.ns.cloudflare.com). It was registered on 17 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.146 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.hallbergit.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.73.146 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.145.166 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx01.hallbergit.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::6815:4992 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:91a6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.73.146,172.67.145.166 ech=AEX+DQBBRwAgACC3PeMQmVEqVnCRwE2wyOkxnby4elud+FJd4vOPaJdqZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4992,2606:4700:3031::ac43:91a6 |
| TXT Record |
|---|
| v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (onhallbergit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spfcust.hallbergit.dk -all |
| Policy | Record (_dmarc.onhallbergit.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 | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 20241021234126Z |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tls-report@hallbergit.dk |
| www | 104.21.73.146 172.67.145.166 2606:4700:3031::6815:4992 2606:4700:3031::ac43:91a6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network onhallbergit.dk: 104.21.73.146 172.67.145.166 2606:4700:3031::6815:4992 2606:4700:3031::ac43:91a6 (AS13335) www.onhallbergit.dk: 104.21.73.146 172.67.145.166 2606:4700:3031::6815:4992 2606:4700:3031::ac43:91a6 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417211115 |
| 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 | 2023-07-17 |
| Expires | 2027-07-16 (271d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 14:13:11 shown | 4183ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 05:38:27 | 719ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 05:27:49 | 4020ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:35:33 | 2696ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 09:39:16 | 1703ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 11:47:14 | 1037ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 03:48:48 | 3022ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 22:00:51 | 6019ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 06:02:43 | 1988ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 09:30:07 | 1307ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-27 16:04:44 | 9470ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 22:59:55 | 2993ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-15 10:19:00 | 2039ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-03 11:11:28 | 1126ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 16:33:54 | 1289ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 11:07:40 | 1122ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:24:50 | 1571ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 08:05:45 | 1130ms | 2 NS 2 A 1 MX | 🔒 Secure |