oess.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.91.84 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mail.oess.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 192.38.91.84 | 43200s | ait-pprx01app01.ait.dtu.dk oess-proxy5applp.ait.dtu.dk |
AS1835 | IDDQD-AS | 192.38.0.0/17 | 🇩🇰 Denmark | Kongens Lyngby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.oess.dk | 192.38.91.30 192.38.91.30 |
oess-wayfidp.ait.dtu.dk mail.oess.dk |
AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education |
| TXT Record |
|---|
| atlassian-domain-verification=TL74WTfaaop1CpB7F58si7wPkWUemZDQv4PIG7JYXahgQPOCfuwH89PhR3AeGtMI |
| atlassian-sending-domain-verification=408489ed-0baa-4911-99b6-d1667aa161a7 |
| DigiCert dnsadmin@dtu.dk |
| v=spf1 include:spf.dtu.dk ip4:192.38.91.30 -all |
| Policy | Record (oess.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.dtu.dk ip4:192.38.91.30 -all |
| Policy | Record (_dmarc.oess.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:lpf@uniit.dk,mailto:dba@uniit.dk; ruf=mailto:lpf@uniit.dk,mailto:dba@uniit.dk |
| www | 192.38.91.84 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.oess.dk | GvAAXnMA1AIZtFMdRstWAag-gIxtchcIn0FSPTrSN8A |
| TXT | _acme-challenge.oess.dk | _aAeI2B3UN21MxkyyUrXUjrEkRe6_cqv5R1MuAQnyok |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090601 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2007-05-31 |
| Expires | 2027-05-31 (226d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 13:23:44 | 1215ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 21:03:18 | 2454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 07:44:49 shown | 1158ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 20:39:38 | 1064ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 00:39:13 | 3255ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 19:04:39 | 8758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 01:26:53 | 1078ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 04:47:21 | 4882ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 14:12:56 | 1030ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:07:22 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |