rybners365.dk

📜 Historical scan 2026-09-25 21:41:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rybners365.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 14 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rybners365-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.

🖥️ Nameservers#

2 records   44ms
NameserverIP addressesPTRASN / 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#

🌍
No A records found

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
5 3600s rybners365-dk.mail.protection.outlook.com 2a01:111:f403:ca04::9
2a01:111:f403:ca04::b
2a01:111:f403:ca09::20
2a01:111:f403:ca09::28
52.101.103.36
52.101.209.28
52.101.73.126
52.101.91.153		 mail-db7pr03cu00601.inbound.protection.outlook.com
mail-dbbpr03cu00103.inbound.protection.outlook.com
mail-as8pr05cu00400.inbound.protection.outlook.com
mail-am6pr02cu00300.inbound.protection.outlook.com
mail-miypr05cu00104.inbound.protection.outlook.com
mail-cpjpr05cu00104.inbound.protection.outlook.com
mail-am8pr83cu00106.inbound.protection.outlook.com
mail-matpr04cu00101.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   160ms
TXT Record
uvmid=280110
v=spf1 ip4:185.19.134.63 include:spf.esis.dk -all

✉️ SPF#

PolicyRecord (rybners365.dk)
-all (hard fail) v=spf1 ip4:185.19.134.63 include:spf.esis.dk -all

📨 DMARC#

PolicyRecord (_dmarc.rybners365.dk)
p=reject v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;fo=1

📬 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 2026-10-18 09:38:29
wwwExists, no address
www vs bare domainNeither resolves
rybners365.dk: no address
www.rybners365.dk: no address
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-rybners365-dk._domainkey.365rybners.onmicrosoft.com RSA · ~1024 bit below 2048 bit
selector2 selector2-rybners365-dk._domainkey.365rybners.onmicrosoft.com 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial1415190499
Primary NS (MNAME)ns1.esis.dk
Responsible (RNAME)hostmaster@esis.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 03:25:33
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-01-14
Expires2030-01-31 (1199d)

🔗 Same registrant#

15 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).

DomainRegistrar
detnaturvidenskabeligegymnasium.dkPunktum dk A/S (direct)
eucvest.dkPunktum dk A/S (direct)
kursuscentervest.dkPunktum dk A/S (direct)
mineserver.dkPunktum dk A/S (direct)
rescuecenter.dkPunktum dk A/S (direct)
rybners-gymnasium.dkPunktum dk A/S (direct)
rybners.dkPunktum dk A/S (direct)
rybnersamukursuscenter.dkSimply.com A/S
rybnershandelsskole.dkSimply.com A/S
rybnershf.dkSimply.com A/S
rybnershhx.dkSimply.com A/S
rybnershtx.dkSimply.com A/S
rybnersstx.dkSimply.com A/S
sciencecenteresbjerg.dkSimply.com A/S
vælgsort.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
33ms
MX
32ms
AAAA
31ms
TXT
160ms
CAA
32ms
HTTPS
34ms
TLSA
640ms
SOA
0ms
MTA-STS
60ms
DNSSEC
116ms
SRV
63ms
Total
1240ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 09:38:29 1591ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-16 08:50:21 2761ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-13 03:05:55 1082ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-07 12:35:53 757ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-04 10:01:11 1250ms 2 NS 0 A 1 MX 🔒 Secure
2026-10-02 09:57:54 1356ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-30 09:47:38 964ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-28 22:54:27 1124ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-25 21:41:40 shown 1240ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-20 21:36:19 1589ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-13 19:13:49 3935ms 2 NS 0 A 1 MX 🔒 Secure
2026-09-06 18:28:56 1433ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-29 23:57:44 1362ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-26 11:28:18 631ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-24 01:06:54 1283ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-18 16:38:38 6551ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-14 20:02:32 1819ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-12 07:34:58 9243ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-09 18:44:08 2981ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-07 09:09:30 1861ms 2 NS 0 A 1 MX 🔒 Secure
2026-08-02 22:09:22 5296ms 2 NS 0 A 1 MX 🔒 Secure
2026-07-26 07:28:15 8798ms 2 NS 0 A 1 MX 🔒 Secure
2026-07-24 06:16:08 10563ms 2 NS 0 A 1 MX 🔒 Secure
2026-07-20 15:29:00 3520ms 2 NS 0 A 1 MX 🔒 Secure
2026-07-15 08:13:30 1310ms 2 NS 0 A 1 MX 🔒 Secure
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