sosusyd.dk

📜 Historical scan 2026-08-04 19:44:07 · ← 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 137ms

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 114ms

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 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	sosusyd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 52.101.68.39 52.101.73.16 52.101.73.30 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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#

6 records 253ms

TXT Record
facebook-domain-verification=nkfxls2zwq1ri3b86kztyryz8e8kep
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#

160ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026052721
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 (317d)

🔗 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#

137ms

114ms

134ms

AAAA

121ms

TXT

253ms

CAA

163ms

HTTPS

103ms

TLSA

479ms

SOA

0ms

MTA-STS

125ms

DNSSEC

160ms

SRV

137ms

Total

3856ms

🕐 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	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