lærerchatten.dk xn--lrerchatten-98a.dk

📜 Historical scan 2026-06-22 11:04:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lærerchatten.dk is a .dk domain served by 2 nameservers (ns1.ordbogen.com, ns2.ordbogen.com). It was registered on 29 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.240.88.18 is hosted by Ordbogen A/S (AS198901) in Denmark. Mail is handled by mail.ordbogen.com. The zone is of unknown DNSSEC status, 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#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ordbogen.com	91.240.88.19	ns1.ordbogen.com	AS198901 Ordbogen A/S
ns2.ordbogen.com	91.240.88.20	ns2.ordbogen.com	AS198901 Ordbogen A/S

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.240.88.18	86400s	www.ordbogen.com	AS198901	Ordbogen A/S	91.240.88.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.ordbogen.com	91.240.88.21	mail.ordbogen.com	AS198901 Ordbogen A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.240.88.18
🔶 Autoconfig	91.240.88.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-16 19:57:47

www	91.240.88.18 (AS198901) (address records, no CNAME)
www vs bare domain	Same network lærerchatten.dk: 91.240.88.18 (AS198901) www.lærerchatten.dk: 91.240.88.18 (AS198901)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

76ms

Field	Value
Serial	1781770076
Primary NS (MNAME)	ns1.ordbogen.com
Responsible (RNAME)	hostmaster@xn--lrerchatten-98a.dk
Refresh	16384s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-11 04:22:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-10-29
Expires	2035-07-31 (3202d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

68ms

AAAA

71ms

TXT

212ms

CAA

30ms

HTTPS

127ms

TLSA

56ms

SOA

76ms

MTA-STS

81ms

DNSSEC

72ms

SRV

112ms

Total

543ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 19:57:47	588ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 07:59:20	704ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 07:46:25	641ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 07:00:02	456ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 22:29:59	859ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 04:09:39	1088ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 17:13:42	585ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 00:41:41	741ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 16:19:39	670ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 02:02:15	1109ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 18:43:01	643ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-19 07:29:04	635ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 19:12:44	1361ms	2 NS 1 A 1 MX	❓ Unknown
2026-08-11 14:52:03	2610ms	2 NS 1 A 1 MX	❓ Unknown
2026-08-06 04:29:53	604ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-29 09:11:15	9514ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 22:06:01	580ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-24 20:34:48	941ms	2 NS 1 A 1 MX	❓ Unknown
2026-07-22 16:14:21	9011ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 13:25:56	448ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 11:04:29 shown	543ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-17 15:14:12	585ms	2 NS 1 A 1 MX	🔒 Secure