rybners-gymnasium.dk

📜 Historical scan 2026-07-27 03:46:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rybners-gymnasium.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 17 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.128.213.47 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by mxnonexistent.rybners-gymnasium.dk. 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.

🖥️ Nameservers#

2 records 44ms

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

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.128.213.47	3600s	—	AS39642	Sinal A/S	37.128.208.0/20	🇩🇰 Denmark	Esbjerg

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mxnonexistent.rybners-gymnasium.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 280ms

TXT Record
inst=Rybners
uvmid=280110
v=spf1 -all

✉️ SPF#

Policy	Record (rybners-gymnasium.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.rybners-gymnasium.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 04:44:47

www CNAME	umbracowebs.rybners-gymnasium.dk (all on rybners-gymnasium.dk) → 37.128.213.47 (AS39642)
www vs bare domain	Same network rybners-gymnasium.dk: 37.128.213.47 (AS39642) www.rybners-gymnasium.dk: 37.128.213.47 (AS39642)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

217ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	1415190471
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster@esis.dk
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 08:08:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-12-17
Expires	2028-12-31 (796d)

🔗 Same registrant#

28 domains

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).

Domain	Registrar
aspitesbjerg.dk	Punktum dk A/S (direct)
bice.dk	Simply.com A/S
detnaturvidenskabeligegymnasium.dk	Punktum dk A/S (direct)
esbjerg-sciencecenter.dk	Simply.com A/S
esbjergsciencecenter.dk	Simply.com A/S
eucvest.dk	Punktum dk A/S (direct)
fagenes-fest.dk	Simply.com A/S
hermitage.dk	Punktum dk A/S (direct)
kompetencenettet.dk	Punktum dk A/S (direct)
kursuscentervest.dk	Punktum dk A/S (direct)
mineserver.dk	Punktum dk A/S (direct)
rescuecenter.dk	Punktum dk A/S (direct)
rescuecenterdenmark.dk	Punktum dk A/S (direct)
rescuecenteresbjerg.dk	Punktum dk A/S (direct)
rybners.dk	Punktum dk A/S (direct)
rybners365.dk	Punktum dk A/S (direct)
rybnersamukursuscenter.dk	Simply.com A/S
rybnershandelsskole.dk	Simply.com A/S
rybnershf.dk	Simply.com A/S
rybnershhx.dk	Simply.com A/S
rybnershtx.dk	Simply.com A/S
rybnerskursuscenter.dk	Simply.com A/S
rybnersstx.dk	Simply.com A/S
rybnerstekniskeskole.dk	Simply.com A/S
sciencecenteresbjerg.dk	Simply.com A/S
tekniskgymnasiumesbjerg.dk	Simply.com A/S
tekniskskoleesbjerg.dk	Punktum dk A/S (direct)
vælgsort.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

44ms

59ms

50ms

AAAA

44ms

TXT

280ms

CAA

57ms

HTTPS

49ms

TLSA

162ms

SOA

0ms

MTA-STS

82ms

DNSSEC

217ms

SRV

199ms

Total

852ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 04:44:47	595ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 15:51:24	3546ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 13:30:56	1194ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 06:14:24	530ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 05:32:23	852ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 16:43:35	701ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 16:37:26	592ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:28:50	666ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 14:01:52	1072ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 13:28:40	840ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 21:59:25	682ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:27:20	904ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 03:11:47	3473ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 02:05:59	3361ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 01:30:26	3459ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 08:14:54	2101ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:17:39	531ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 23:21:36	11058ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 22:48:12	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 14:57:52	729ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 09:49:21	1301ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 21:03:07	1311ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 23:33:30	16476ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-30 01:56:51	683ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 03:46:01 shown	852ms	2 NS 1 A 1 MX	🔒 Secure