kat-format.dk

📜 Historical scan 2026-10-12 01:34:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kat-format.dk is a .dk domain served by 2 nameservers (sec1.rcode0.net, sec2.rcode0.net). It was registered on 6 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.111.162.19 is hosted by Dbc Digital A/s (AS24853) in Denmark. Mail is handled by katformat-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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   177ms
NameserverIP addressesPTRASN / ISP
sec1.rcode0.net 192.174.68.100
2001:67c:1bc::100		 sec1.rcode0.org
sec.rcode0.net		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
sec2.rcode0.net 176.97.158.100
2001:67c:10b8::100		 d.itconsult-dns.co.uk
homer.goeast.ch		 AS207021 ipcom GmbH
AS1921 ipcom GmbH

🌍 A Records#

1 records   146ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.111.162.19 3600s misc-proxy.dbc.dk AS24853 Dbc Digital A/s 193.111.162.0/24 🇩🇰 Denmark —

📧 MX Records#

1 records   149ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s katformat-dk0i.mail.protection.outlook.com 2a01:111:f403:ca04::f
2a01:111:f403:ca21::e
2a01:111:f403:ca3c::6
2a01:111:f403:ca48::10
52.101.103.137
52.101.185.21
52.101.185.24
52.101.68.25		 mail-db7pr03cu00507.inbound.protection.outlook.com
mail-matpr04cu00306.inbound.protection.outlook.com
mail-zrxpr04cu00106.inbound.protection.outlook.com
mail-miypr05cu00100.inbound.protection.outlook.com
mail-miypr02cu00101.inbound.protection.outlook.com
mail-zrxpr05cu00105.inbound.protection.outlook.com
mail-zrxpr07cu00100.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   385ms
TXT Record
Katalogregler
MS=ms18879605
v=spf1 ip4:193.111.162.2 ip4:193.111.162.134 include:spf.protection.outlook.com include:spf.mailanyone.net include:servers.mcsv.net -all

✉️ SPF#

PolicyRecord (kat-format.dk)
-all (hard fail) v=spf1 ip4:193.111.162.2 ip4:193.111.162.134 include:spf.protection.outlook.com include:spf.mailanyone.net include:servers.mcsv.net -all

📨 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#

2 records   139ms
FlagsTagValue
0 iodef mailto:domains@dbc.dk
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 08:02:20
www CNAMEmisc-proxy.dbc.dk (all on dbc.dk)
www vs bare domainSame network
kat-format.dk: 193.111.162.19 (AS24853)
www.kat-format.dk: 193.111.162.19 (AS24853)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.kat-format.dk _acme-challenge.kat-format.dk.acme.dbc.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

202ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

166ms
FieldValue
Serial2022033788
Primary NS (MNAME)ns.dbc.dk
Responsible (RNAME)domains@dbc.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 05:18:24
FieldValue
RegistrarDBC DIGITAL A/S
Registered1998-02-06
Expires2027-03-31 (165d)

🔗 Same registrant#

51 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
addi.dkDBC DIGITAL A/S
bib.dkDBC DIGITAL A/S
bibbaser.dkDBC DIGITAL A/S
bibiotek.dkDBC DIGITAL A/S
bibliotek.dkDBC DIGITAL A/S
biblioteksbaser.dkDBC DIGITAL A/S
biblitek.dkDBC DIGITAL A/S
biblotek.dkDBC DIGITAL A/S
bibstat.dkDBC DIGITAL A/S
bogapp.dkDBC DIGITAL A/S
buggi-pro.dkDBC DIGITAL A/S
buggi.dkDBC DIGITAL A/S
chatbib.dkDBC DIGITAL A/S
danbib.dkDBC DIGITAL A/S
dbc.dkDBC DIGITAL A/S
dbccloud.dkDBC DIGITAL A/S
dbcdigital.dkDBC DIGITAL A/S
dbctest.dkDBC DIGITAL A/S
defkat.dkDBC DIGITAL A/S
dk5.dkDBC DIGITAL A/S
dk5web.dkDBC DIGITAL A/S
educatio.dkDBC DIGITAL A/S
edukatio.dkDBC DIGITAL A/S
emneord.dkDBC DIGITAL A/S
everyone.dkDBC DIGITAL A/S
faktagpt.dkDBC DIGITAL A/S
faktalink.dkDBC DIGITAL A/S
filmgpt.dkDBC DIGITAL A/S
filmstribe.dkDBC DIGITAL A/S
filmstriben.dkDBC DIGITAL A/S
filmstrimlen.dkDBC DIGITAL A/S
forfatterweb.dkDBC DIGITAL A/S
isbn.dkDBC DIGITAL A/S
katalogisering.dkDBC DIGITAL A/S
klassifikation.dkDBC DIGITAL A/S
laesekompas-pro.dkDBC DIGITAL A/S
laesekompas.dkDBC DIGITAL A/S
laesekompasset.dkDBC DIGITAL A/S
literaturtolkninger.dkDBC DIGITAL A/S
læsekompas.dkDBC DIGITAL A/S
læsekompasset.dkDBC DIGITAL A/S
materialenyt.dkDBC DIGITAL A/S
materialesamling.dkDBC DIGITAL A/S
metakompas.dkDBC DIGITAL A/S
metakompasset.dkDBC DIGITAL A/S
minnaestebog.dkDBC DIGITAL A/S
purl.dkDBC DIGITAL A/S
pzz.dkDBC DIGITAL A/S
sofaraekken.dkDBC DIGITAL A/S
sommerbog.dkDBC DIGITAL A/S
veraid.dkDBC DIGITAL A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
177ms
A
146ms
MX
149ms
AAAA
135ms
TXT
385ms
CAA
139ms
HTTPS
181ms
TLSA
240ms
SOA
166ms
MTA-STS
143ms
DNSSEC
202ms
SRV
973ms
Total
2658ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 08:02:20 1333ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-14 04:46:10 2144ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-13 04:01:57 1360ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-12 01:34:37 shown 2658ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 21:36:56 1221ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 18:34:24 1354ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-06 18:19:56 1254ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-04 15:09:54 3029ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-03 15:05:31 1280ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-02 15:04:38 1387ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 14:47:47 1001ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-29 14:38:51 1470ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-27 14:20:35 1022ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 13:55:09 992ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 13:42:34 1414ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 13:25:12 1386ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-21 18:55:13 1557ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-14 17:18:08 1355ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-10 20:25:53 4165ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-07 12:08:51 1422ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-04 05:17:45 1484ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-29 17:53:46 2781ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-28 10:09:01 1205ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 10:01:49 1193ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 00:46:17 1295ms 2 NS 1 A 1 MX 🔒 Secure
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