retroblog.dk is a .dk domain served by 4 nameservers (ns1.quickdns.dk, ns2.quickdns.dk, ns3.quickdns.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.99.250.84 is hosted by Sagitta ApS (AS29100) in Denmark. Mail is handled by ungoliant.spliph.net. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 212.99.250.84 | 300s | cochise.spliph.net | AS29100 | Sagitta ApS | 212.99.224.0/19 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | ungoliant.spliph.net | 212.99.250.86 | ungoliant.spliph.net | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cochise.spliph.net → 212.99.250.84 |
| 🔶 Autoconfig | cochise.spliph.net → 212.99.250.84 |
| TXT Record |
|---|
| v=spf1 mx a ip4:212.99.250.86/32 ip4:212.99.224.0/30 ~all |
| Policy | Record (retroblog.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ip4:212.99.250.86/32 ip4:212.99.224.0/30 ~all |
| Policy | Record (_dmarc.retroblog.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:angus_pmg@spliph.net; ruf=mailto:angus@spliph.net; fo=0; adkim=s; aspf=s; ri=21600 |
| www CNAME | polyphemus.spliph.net (all on spliph.net) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.retroblog.dk | cochise.spliph.net |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'retroblog.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026071100 |
| Primary NS (MNAME) | ns1.quickdns.dk |
| Responsible (RNAME) | hostmaster@quickdns.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:46:11 | 585ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 22:46:06 | 1449ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 00:34:22 | 8994ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-10 13:51:30 | 1116ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 11:34:09 | 1380ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-26 10:42:33 | 1360ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 05:24:25 | 1148ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-20 00:47:53 | 3404ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-13 19:37:01 shown | 1438ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-19 14:09:45 | 3296ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:27:32 | 3493ms | 4 NS 1 A 1 MX | 🔓 Insecure |