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

📜 Historical scan 2026-07-22 16:14:21 · ← 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 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#

2 records 72ms

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 54ms

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 88ms

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#

133ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1784629202
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 (3207d)

📋 WHOIS#

⏱️ Lookup Timing#

72ms

54ms

88ms

AAAA

56ms

TXT

326ms

CAA

73ms

HTTPS

50ms

TLSA

8082ms

SOA

0ms

MTA-STS

109ms

DNSSEC

133ms

SRV

164ms

Total

9011ms

🕐 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 shown	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	543ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-17 15:14:12	585ms	2 NS 1 A 1 MX	🔒 Secure