citti.dk is a .dk domain served by 2 nameservers (ns.ki.tng.de, ns.tng.de). It was registered on 28 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.135 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.hc2254-93.eu.iphmx.com, mx2.hc2254-93.eu.iphmx.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.ki.tng.de | 213.178.64.2 | ns.ki.tng.de | AS13101 TNG Stadtnetz GmbH |
| ns.tng.de | 213.178.66.2 | ns.tng.de | AS13101 TNG Stadtnetz GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.135 | 86400s | linux24.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms70896043 |
| v=spf1 ip4:185.21.41.135 exists:%{i}.spf.hc2254-93.eu.iphmx.com include:spf.protection.outlook.com include:emarsys.net include:spf.curanet.dk -all |
| Policy | Record (citti.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.21.41.135 exists:%{i}.spf.hc2254-93.eu.iphmx.com include:spf.protection.outlook.com include:emarsys.net include:spf.curanet.dk -all |
| Policy | Record (_dmarc.citti.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=reject; rua=mailto:dmarc@citti.dk; |
| www | 185.21.41.135 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 7/10 · 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 | 2026052702 |
| Primary NS (MNAME) | hiprim.citti.de |
| Responsible (RNAME) | hostmaster@citti.de |
| Refresh | 14400s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-01-28 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 11:54:27 shown | 1529ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 06:54:14 | 1351ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 10:40:54 | 4414ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 07:10:18 | 892ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 04:59:13 | 1115ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 20:55:48 | 466ms | 2 NS 1 A 2 MX | 🔓 Insecure |