dassco.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 16 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.104.141 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by ku-dk.mail.protection.outlook.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 |
|---|---|---|---|---|---|---|---|
| 130.225.104.141 | — | os141.hpc.ku.dk | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms76097863 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (dassco.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dassco.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; pct=100; fo=1; ri=3600 |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www CNAME | dassco.dk (all on dassco.dk) → 130.225.43.5 (AS1835) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | default._domainkey.ku.dk | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-dassco-dk._domainkey.alumni.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-dassco-dk._domainkey.alumni.onmicrosoft.com | RSA · ~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: 1/10 · policy: -all
No problems found| 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 | 2026061602 |
| Primary NS (MNAME) | ns1.ku.dk |
| Responsible (RNAME) | hostmaster@adm.ku.dk |
| Refresh | 28800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2021-02-16 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 16:55:19 | 1572ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 09:14:19 | 2612ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 06:04:50 | 3357ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:31:07 | 3069ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 01:43:53 | 1587ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 00:40:24 | 3360ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 13:53:00 | 1600ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 09:53:13 | 3263ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 12:06:34 | 1849ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:57:47 | 9927ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:12:41 | 1625ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 01:28:45 | 3129ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 08:38:44 | 2571ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 00:06:03 | 9457ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-12 23:31:09 | 2026ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 16:53:08 | 17082ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 06:06:36 | 1260ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 03:01:28 | 9573ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 01:55:04 | 5457ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 02:22:54 | 1826ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:20:47 | 2793ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 09:51:44 | 2708ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 05:44:44 | 851ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:37:05 | 827ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 03:04:20 shown | 64795ms | 2 NS 1 A 1 MX | 🔓 Insecure |