sosusyd.dk

📜 Historical scan 2026-10-09 00:38:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sosusyd.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 18 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.46.109 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by sosusyd-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 57ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.103.46.109	600s	server6109.serverpark.dk	AS44869	FIBIA P/S	5.103.0.0/16	🇩🇰 Denmark	Holbæk

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	sosusyd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca38::a 2a01:111:f403:ca48::10 52.101.103.39 52.101.185.114 52.101.185.21 52.101.73.120	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am7pr02cu00300.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#

Service	CNAME / IP
🔷 Autodiscover	185.19.135.52

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 222ms

TXT Record
facebook-domain-verification=nkfxls2zwq1ri3b86kztyryz8e8kep
hibp-verify=dweb_rb30tanfw0cq3i44vlvtcpqv
MS=ms71477118
MS=ms80227632
QXWgJDpZcUeU9UziPJJnP2eBBZxKK0cbletxvTBLbGra8jX1WpNIy24+ES+I03K2XUzG2+jp2FMZMclnJXYUEQ==
v=spf1 ip4:185.19.135.52 ip4:86.48.37.184 include:spf.esis.dk include:spf.mandrillapp.com include:spf.ubivox.com -all
xN0PphhSCGepAQGMqAUQ+Hb/DAUN+ioofaSNtWqYT8wQaMjNARvbYHds/1buuuijQ5sa0veJt9OtBG8NrbUo0Q==

✉️ SPF#

Policy	Record (sosusyd.dk)
-all (hard fail)	v=spf1 ip4:185.19.135.52 ip4:86.48.37.184 include:spf.esis.dk include:spf.mandrillapp.com include:spf.ubivox.com -all

📨 DMARC#

Policy	Record (_dmarc.sosusyd.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 2026-10-17 18:40:31

www	5.103.46.109 (AS44869) (address records, no CNAME)
www vs bare domain	Same network sosusyd.dk: 5.103.46.109 (AS44869) www.sosusyd.dk: 5.103.46.109 (AS44869)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-sosusyd-dk._domainkey.sosusyd.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-sosusyd-dk._domainkey.sosusyd.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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

73ms

Field	Value
Serial	2026052745
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 14:48:41

Field	Value
Registrar	INTERNET 123 ApS
Registered	2011-08-18
Expires	2027-08-31 (316d)

🔗 Same registrant#

3 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
socialogsundhedsskolen-syd.dk	Punktum dk A/S (direct)
sosu-aabenraa.dk	Punktum dk A/S (direct)
sosu-syd.dk	INTERNET 123 ApS

📋 WHOIS#

⏱️ Lookup Timing#

57ms

48ms

42ms

AAAA

45ms

TXT

222ms

CAA

42ms

HTTPS

48ms

TLSA

803ms

SOA

73ms

MTA-STS

70ms

DNSSEC

126ms

SRV

82ms

Total

1592ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 18:40:30	4080ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 18:00:08	1244ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 15:40:25	1182ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 14:25:54	1285ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 10:49:59	1292ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 00:38:19 shown	1592ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 19:58:00	1438ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 19:57:06	5159ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:25:57	1547ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:20:03	1317ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:51:31	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 18:35:23	1425ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 18:19:47	65535ms	2 NS 0 A 0 MX	❓ Unknown
2026-09-24 17:44:44	1469ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:34:35	1223ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 14:18:35	2113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 01:38:55	3629ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 03:11:34	926ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 12:15:39	1254ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 22:17:05	1229ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 16:48:33	1304ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 10:11:57	6862ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 17:21:29	9075ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 03:23:36	4796ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 07:59:24	9241ms	2 NS 1 A 1 MX	🔒 Secure