sefic.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 158.255.211.145 is hosted by EDIS GmbH (AS57169) in Austria. Mail is handled by mail.sefic.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 158.255.211.145 | — | 145.211.255.158.in-addr.arpa | AS57169 | EDIS GmbH | 158.255.210.0/23 | 🇦🇹 Austria | Vienna |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.sefic.dk | 151.236.30.207 | 207.30.236.151.in-addr.arpa | AS57169 EDIS GmbH |
| TXT Record |
|---|
| <ep xmlns=\'http://ms.net/1\'><out><m> <r>151.236.30.207</r> </m></out></ep> |
| v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw8inZeT2gxyuocsxQzKhvLsi/6zISN4xbEg1C1Kkcaa/lobjkMs7B4ukMoFHolJza6Q19/hB4BUliEzrvBUdRP2OwSj6Mg6zivq7f8XYRWNt5oEJA31zrHyxpoFmOdHSQttErAS3xP2ZQ7LxSpeATg/oheK5DruOoWbak669LLsuWjhJlmiDaqUASdF49Af/CPgyfSkAu4EMoUHbs9pxn23Crpw3RuV/ancv1LuPO3/iXMxFn12uod4/n7/wlpKbnZt8JSEy0EHvAsWoSbYiF1jmTGTwR6adiJtQb+u3jBKkxCp5PfBVP5fI3Bj9SRNPZfXtk5ILXUGJ6ceJfFgjGwIDAQAB |
| v=spf1 ip4:158.255.211.145 ip4:151.236.30.207 include:sefic.dk -all |
| Policy | Record (sefic.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:158.255.211.145 ip4:151.236.30.207 include:sefic.dk -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 104.21.33.18 172.67.157.152 2606:4700:3031::6815:2112 2606:4700:3036::ac43:9d98 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 2/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061102 |
| 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 | 2024-02-04 |
| Expires | 2031-02-03 (1568d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 12:43:17 | 884ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 19:10:39 | 1218ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 08:15:18 | 876ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 03:51:57 | 1180ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-31 13:34:04 | 1271ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-15 22:22:27 | 1855ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 05:18:52 | 903ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:30:15 | 1536ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:06:24 shown | 1607ms | 2 NS 1 A 1 MX | 🔓 Insecure |