cej.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.20 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.224.18.20 | — | — | AS205206 | Netsite A/S | 185.224.16.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| apple-domain-verification=fiB7ZBczDe14xCas |
| google-site-verification=VaTINX8kxdQoNrSFRm-4c1jNsJyEGsL2s153CHk_Rb0 |
| MS=ms72145030 |
| t2MClWM5xOMBQSSSG72EuD/tOuJuJm/XTrEzK3mLF/GiEY+RK24Y+pVXG1wt/pcvsZ+BSaL05rCdsX8o1eI/EQ== |
| v=spf1 ip4:185.224.16.162 ip4:178.72.22.130 ip4:185.224.16.163 ip4:185.224.16.161 ip4:23.97.225.92 ip4:185.21.40.116 ip4:62.199.210.126 ip4:178.72.22.130 ip4:86.58.182.35 ip4:86.58.182.36 ip4:213.32.173.100 include:spf.protection.outlook.com include:spf.simply.com include:spf.lmmail.dk include:spf-westeu.emailsignatures365.com include:spf-esec.heimdalsecurity.com -all |
| Policy | Record (cej.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.224.16.162 ip4:178.72.22.130 ip4:185.224.16.163 ip4:185.224.16.161 ip4:23.97.225.92 ip4:185.21.40.116 ip4:62.199.210.126 ip4:178.72.22.130 ip4:86.58.182.35 ip4:86.58.182.36 ip4:213.32.173.100 include:spf.protection.outlook.com include:spf.simply.com include:spf.lmmail.dk include:spf-westeu.emailsignatures365.com include:spf-esec.heimdalsecurity.com -all |
| Policy | Record (_dmarc.cej.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:kcja9y0w@ag.eu.dmarcian.com; ruf=mailto:kcja9y0w@fr.eu.dmarcian.com; |
| www | 185.224.18.20 (AS205206) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 7/10 · policy: -all
No problems found| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1997-11-13 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:04:42 | 800ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 19:07:13 | 2828ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 16:26:27 | 1034ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 16:22:21 | 519ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 15:48:20 | 914ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-20 00:51:12 | 1308ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 22:27:16 | 1333ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-22 20:17:44 | 5028ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 22:20:58 | 3355ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-24 18:51:08 | 1248ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 03:07:43 | 8981ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 18:10:40 | 2801ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:53:18 | 944ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:25:42 | 51989ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 20:11:50 | 2122ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 20:05:53 | 489ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 20:00:06 shown | 705ms | 2 NS 1 A 2 MX | 🔒 Secure |