rybners.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 2 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.19.134.135 is hosted by Syddansk Erhvervsskole Odense-Vejle (AS199374) in Denmark. Mail is handled by rybners-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.esis.dk | 185.19.134.2 | ns1.esis.dk | AS199374 Syddansk Erhvervsskole Odense-Vejle |
| ns2.esis.dk | 185.19.134.3 | ns2.esis.dk | AS199374 Syddansk Erhvervsskole Odense-Vejle |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.19.134.63 |
| TXT Record |
|---|
| adobe-idp-site-verification=118388ffd697ce5d501c88d80361af355cacd3276c79e2c7b5dfdb426ededea7 |
| apple-domain-verification=iL8WPOuPFPnBGRqs |
| ArDpnH5ynlglJ98Ms0xrONfFYI4gTc5STVUPnljWVoFrpQwzY8ewd4hpwIEJTp5iBR3DgePYwuYRWUquhEzhmg== |
| autodesk-domain-verification=sRWm-DXKdDOwiUqPLxaV |
| facebook-domain-verification=mocmnafa50okncz8atdrqm1ntm5b62 |
| hibp-verify=dweb_smxgaosg8comsm0ukozfvhyb |
| inst=Rybners |
| MS=ms17237586 |
| MS=ms32610066 |
| pVIEG0wLKd9MOni9iuqQIM+LhmemfMepxHWerd4/WCaxO9ztojno9wbraUeRKQ1Y7Sqav+XAxHS0wJn7oc/W0A== |
| t9ewweAxViQWk5Guc9j6mAbR4PfUgct7wuSTxDH8FGy27bYb+FSsEzLo3eKBqX1DJPAyviNnU5+g/b8yi2mGJQ== |
| uvmid=280110 |
| v=spf1 ip4:195.231.242.15 ip4:195.231.242.115 ip4:195.231.239.247 ip4:195.231.242.131 ip4:195.231.241.19 ip4:34.249.196.78 ip4:34.251.157.56 ip4:34.252.27.239 ip4:35.157.154.159 ip4:195.231.242.6 ip4:195.231.242.7 ip4:195.231.242.8 ip4:83.91.91.2 ip4:217.195.184.68 ip4:217.195.184.69 include:customers.clickdimensions.com a:massmail.scannet.dk ip4:185.19.134.63 ip4:185.19.134.6 ip4:185.19.134.5 ip4:185.19.134.65 ip4:195.231.242.5 ip4:35.157.187.101 ip4:195.231.242.132 ip4:195.231.242.133 include:spf.protection.outlook.com include:_spf-hosting.eg.dk include:spf.topdesk.net include:servers.mcsv.net include:_spf.easycruit.com include:spf.mcb.dk -all |
| Policy | Record (rybners.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:195.231.242.15 ip4:195.231.242.115 ip4:195.231.239.247 ip4:195.231.242.131 ip4:195.231.241.19 ip4:34.249.196.78 ip4:34.251.157.56 ip4:34.252.27.239 ip4:35.157.154.159 ip4:195.231.242.6 ip4:195.231.242.7 ip4:195.231.242.8 ip4:83.91.91.2 ip4:217.195.184.68 ip4:217.195.184.69 include:customers.clickdimensions.com a:massmail.scannet.dk ip4:185.19.134.63 ip4:185.19.134.6 ip4:185.19.134.5 ip4:185.19.134.65 ip4:195.231.242.5 ip4:35.157.187.101 ip4:195.231.242.132 ip4:195.231.242.133 include:spf.protection.outlook.com include:_spf-hosting.eg.dk include:spf.topdesk.net include:servers.mcsv.net include:_spf.easycruit.com include:spf.mcb.dk -all |
| Policy | Record (_dmarc.rybners.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;fo=1 |
| www | 185.19.134.135 (AS199374) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rybners-dk._domainkey.365rybners.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-rybners-dk._domainkey.365rybners.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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021113722 |
| Primary NS (MNAME) | ns1.esis.dk |
| Responsible (RNAME) | hostmaster |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-12-02 |
| Expires | 2028-12-31 (805d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 06:01:10 | 1665ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 05:59:41 | 3758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 02:50:50 | 2629ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 21:15:32 | 1145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 18:02:39 | 2533ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 15:18:21 | 1473ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 14:43:41 | 3865ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 14:33:23 | 3590ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 13:13:58 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 11:59:54 | 1234ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 08:33:16 | 1375ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 08:30:19 | 1495ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 08:28:19 | 1050ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 08:25:47 | 896ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 03:56:51 | 1167ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 03:51:39 | 1304ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 03:15:16 | 1077ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 02:25:07 | 1042ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 17:45:29 | 897ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 01:21:28 | 3429ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 16:29:43 | 3629ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 14:43:45 shown | 1349ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 00:06:35 | 1329ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 10:22:36 | 1111ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 12:21:23 | 2168ms | 2 NS 1 A 1 MX | 🔒 Secure |