celau.dk is a .dk domain served by 2 nameservers (jerry.ns.cloudflare.com, lana.ns.cloudflare.com). It was registered on 16 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.204.150.5 is hosted by Google LLC (AS396982) in The Netherlands. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 35.204.150.5 | 600s | 5.150.204.35.bc.googleusercontent.com | AS396982 | Google LLC | 35.204.0.0/15 | 🇳🇱 The Netherlands | Groningen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| _globalsign-domain-verification=91lkRuOUIAKw323dLmgBkcySDEipWc3HMDfpAJTwi2 |
| MS=ms23189001 |
| v=spf1 ip4:87.61.101.58 include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all |
| Policy | Record (celau.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.61.101.58 include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.celau.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves celau.dk: no address www.celau.dk: no address |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.celau.dk | JJiP3XX42JCh0EqcBwvp6uKHEw7KJA5lnEw8_mErGak |
| TXT | _acme-challenge.celau.dk | ifMWSXTe8r-ekOyhuBFIObOLLUqfvFD3iHqvCRqrDk4 |
| TXT | _acme-challenge.celau.dk | oDMQDyfvqYbm4V6LWFp0WtZ3q2WuVFUSRH55CRr2EZg |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| 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 | 2415235955 |
| Primary NS (MNAME) | jerry.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 | 1999-03-16 |
| Expires | 2033-03-31 (2355d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 16:17:22 | 777ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-30 06:36:12 | 967ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-20 20:24:17 | 838ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-18 21:25:37 shown | 1250ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 15:08:18 | 774ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-01 13:49:43 | 1816ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-30 01:42:51 | 790ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 11:28:38 | 696ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-14 11:51:37 | 2493ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-22 15:55:00 | 1675ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-30 13:59:47 | 1042ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-28 03:55:40 | 1971ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 21:19:53 | 872ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 10:38:56 | 506ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:55:27 | 29463ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:18:32 | 2011ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:12:45 | 444ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:00:58 | 686ms | 2 NS 1 A 2 MX | 🔓 Insecure |