sidse.dk

📜 Historical scan 2026-07-20 15:44:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidse.dk is a .dk domain served by 3 nameservers (ns.pi.dk, ns2.pi.dk, ns3.pi.dk). It was registered on 12 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.138.4.36 is hosted by velia.net Internetdienste GmbH (AS29066) in France. Mail is handled by mail.sidse.dk. The zone is not DNSSEC-signed, has no 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#

3 records 8054ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.pi.dk	188.138.4.36	static-ip-188-138-4-36.inaddr.ip-pool.com	AS29066 velia.net Internetdienste GmbH
ns2.pi.dk	194.99.45.76	—	AS204866 Microdata Aps
ns3.pi.dk	212.237.177.6	ns3.pi.dk	AS204151 EWII Bredbaand A/S

🌍 A Records#

1 records 8062ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.138.4.36	7194s	static-ip-188-138-4-36.inaddr.ip-pool.com	AS29066	velia.net Internetdienste GmbH	188.138.0.0/21	🇫🇷 France	Strasbourg

📧 MX Records#

1 records 8081ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	mail.sidse.dk	194.99.45.66	mail.pi-web.dk	AS204866 Microdata Aps

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	188.138.4.36
🔶 Autoconfig	188.138.4.36

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 16238ms

TXT Record
H2-586433.asp

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 03:39:10

www	188.138.4.36 (AS29066) (address records, no CNAME)
www vs bare domain	Same network sidse.dk: 188.138.4.36 (AS29066) www.sidse.dk: 188.138.4.36 (AS29066)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9616ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

8071ms

Field	Value
Serial	2025062902
Primary NS (MNAME)	ns.pi.dk
Responsible (RNAME)	hostmaster@pi.dk
Refresh	7200s
Retry	3600s
Expire	2600000s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-20 21:51:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-06-12
Expires	2027-06-30 (252d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

8054ms

8062ms

8081ms

AAAA

8085ms

TXT

16238ms

CAA

9598ms

HTTPS

8079ms

TLSA

1694ms

SOA

8071ms

MTA-STS

83ms

DNSSEC

9616ms

SRV

3141ms

Total

34391ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:39:10	9038ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 18:09:04	3503ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-03 06:28:18	691ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 17:56:10	6576ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-15 18:34:40	6611ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-20 15:44:09 shown	34391ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-18 04:14:07	28102ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-08 13:53:12	27745ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 05:44:41	694ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 23:40:04	10086ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 22:18:08	3883ms	3 NS 1 A 1 MX	🔓 Insecure