knuth.dk

📜 Historical scan 2026-07-03 19:21:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knuth.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 8 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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#

5 records   74ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 — AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverknuth.dk → 46.183.138.100
🔶 Autoconfigknuth.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   228ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 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 2026-10-22 19:51:27
www CNAMEknuth.dk (all on knuth.dk)
www vs bare domainSame network
knuth.dk: 46.183.138.100 (AS47292)
www.knuth.dk: 46.183.138.100 (AS47292)
WildcardYes: any name under the zone resolves

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.knuth.dk knuth.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

314ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026070201
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@knuth.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-22 11:56:58
FieldValue
RegistrarGIGAHOST ApS
Registered1999-10-08
Expires2026-12-31 (65d)

🔗 Same registrant#

16 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).

DomainRegistrar
dedanskeriddere.dkPunktum dk A/S (direct)
degaleriddere.dkPunktum dk A/S (direct)
dejydskeriddere.dkPunktum dk A/S (direct)
herrensmark.dkPunktum dk A/S (direct)
jyskmiddelaldercenter.dkGIGAHOST ApS
kongvaldemar.dkPunktum dk A/S (direct)
kulturbladet.dkGIGAHOST ApS
kås.dkPunktum dk A/S (direct)
retogstraf.dkGIGAHOST ApS
rexvaldemar.dkPunktum dk A/S (direct)
ridder-kaas.dkGIGAHOST ApS
riddergruppen.dkGIGAHOST ApS
ridderkaas.dkPunktum dk A/S (direct)
ridderliv.dkPunktum dk A/S (direct)
torturmuseet.dkPunktum dk A/S (direct)
tranekaermiddelalderdage.dkGIGAHOST ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
74ms
A
70ms
MX
58ms
AAAA
205ms
TXT
210ms
CAA
88ms
HTTPS
62ms
TLSA
78ms
SOA
0ms
MTA-STS
87ms
DNSSEC
314ms
SRV
228ms
Total
1174ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 19:51:27 1776ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-15 12:10:08 805ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 07:16:30 915ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 03:23:24 982ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-27 02:23:39 704ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 18:17:04 1607ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-19 15:50:07 1010ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-12 13:57:02 903ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-12 03:21:27 1104ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-05 02:59:24 1007ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-28 02:01:37 871ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-20 09:01:17 3275ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-13 22:42:35 9258ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-08 08:55:08 1127ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-02 05:36:31 981ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 03:02:01 1310ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-17 15:41:33 8754ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-09 03:55:46 1302ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-03 19:21:21 shown 1174ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-26 07:59:05 740ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-18 08:04:00 1336ms 5 NS 1 A 3 MX 🔓 Insecure
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