teletjek.dk

📜 Historical scan 2026-06-29 10:11:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teletjek.dk is a .dk domain served by 2 nameservers (ns01.danskinternet.dk, ns02.danskinternet.dk). It was registered on 22 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by teletjek-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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.danskinternet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns02.danskinternet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	teletjek-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 141ms

TXT Record
v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (teletjek.dk)
-all (hard fail)	v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.teletjek.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-08 02:53:46

www CNAME	ns00.danskinternet.dk (all on danskinternet.dk) → 172.238.244.47 (AS63949)
www vs bare domain	Same network teletjek.dk: 172.238.244.47 (AS63949) www.teletjek.dk: 172.238.244.47 (AS63949)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2025070701
Primary NS (MNAME)	ns01.danskinternet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 05:39:56

Field	Value
Registrar	CURANET A/S
Registered	2020-03-22
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

40ms

AAAA

33ms

TXT

141ms

CAA

37ms

HTTPS

36ms

TLSA

113ms

SOA

27ms

MTA-STS

44ms

DNSSEC

63ms

SRV

37ms

Total

710ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 00:53:13	868ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 20:50:22	3954ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 00:11:51	1183ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 10:11:03 shown	710ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 04:17:48	1369ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 22:39:35	3065ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 09:43:59	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:33:36	1243ms	2 NS 1 A 1 MX	🔒 Secure