citer.dk is a .dk domain served by 2 nameservers (memphis.ns.cloudflare.com, uma.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.148 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.62.148 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.136.180 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:3e94 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:88b4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.62.148,172.67.136.180 ech=AEX+DQBBygAgACAbIAKu8YG0YVCr8hU5trJC38qUnUVJgvXdo9FSUxjUcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3e94,2606:4700:3031::ac43:88b4 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:95.111.208.174 include:relay.mailchannels.net ~all |
| Policy | Record (citer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:95.111.208.174 include:relay.mailchannels.net ~all |
| www | 104.21.62.148 172.67.136.180 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.citer.dk | DaU7DYrMbOPBhjq8Td9D2Vk7YfnMg-TlfNqqDbqeVBE |
| TXT | _acme-challenge.citer.dk | WhxC8j9Xz1s-4lPh81RmVcPpd8aLKkWQXodZaSR1_7M |
| TXT | _acme-challenge.citer.dk | vc8Sr10zK66dAqiEct_O6EdF2NyIqQklX9nSR4ZOgrw |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415102947 |
| Primary NS (MNAME) | memphis.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:50:57 | 913ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 17:51:27 | 478ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 00:28:30 | 578ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 23:36:10 | 1088ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:36:55 | 616ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 05:58:14 shown | 691ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 19:50:38 | 702ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 15:37:26 | 1141ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-02 15:00:07 | 878ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-20 17:32:12 | 9873ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 07:31:30 | 909ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-16 20:56:05 | 435ms | 2 NS 2 A 0 MX | 🔓 Insecure |