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

📜 Historical scan 2026-08-28 00:41:41  ·  ← 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   69ms
NameserverIP addressesPTRASN / 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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.240.88.18 86400s www.ordbogen.com AS198901 Ordbogen A/S 91.240.88.0/24 🇩🇰 Denmark —

📧 MX Records#

1 records   101ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.ordbogen.com 91.240.88.21 mail.ordbogen.com AS198901 Ordbogen A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover91.240.88.18
🔶 Autoconfig91.240.88.18

🔷 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
www91.240.88.18 (AS198901) (address records, no CNAME)
www vs bare domainSame network
lærerchatten.dk: 91.240.88.18 (AS198901)
www.lærerchatten.dk: 91.240.88.18 (AS198901)
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1787146657
Primary NS (MNAME)ns1.ordbogen.com
Responsible (RNAME)hostmaster@xn--lrerchatten-98a.dk
Refresh16384s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s

📋 Registration#

WHOIS fetched 2026-10-11 04:22:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-10-29
Expires2035-07-31 (3204d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
69ms
A
55ms
MX
101ms
AAAA
125ms
TXT
244ms
CAA
75ms
HTTPS
79ms
TLSA
68ms
SOA
0ms
MTA-STS
157ms
DNSSEC
190ms
SRV
131ms
Total
741ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 543ms 2 NS 1 A 1 MX ❓ Unknown
2026-06-17 15:14:12 585ms 2 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone