karch.dk

📜 Historical scan 2026-08-28 08:59:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

karch.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 19 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.103.129.23 is hosted by Asergo Holding ApS (AS30736) in Denmark. Mail is handled by karch-dk.c-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.103.129.23	3600s	kadk.dk	AS30736	Asergo Holding ApS	82.103.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	karch-dk.c-v1.mx.microsoft	2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::24 52.101.73.1 52.101.73.15 52.101.73.24 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 147ms

TXT Record
MS=ms46725642
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (karch.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.karch.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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 2026-10-13 02:12:40

www	82.103.129.23 (AS30736) (address records, no CNAME)
www vs bare domain	Same network karch.dk: 82.103.129.23 (AS30736) www.karch.dk: 82.103.129.23 (AS30736)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 89ms

Service / Owner	Type	Cert association
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026011200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 14:28:46

Field	Value
Registrar	Simply.com A/S
Registered	1997-09-19
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

40ms

60ms

AAAA

35ms

TXT

147ms

CAA

44ms

HTTPS

41ms

TLSA

89ms

SOA

0ms

MTA-STS

50ms

DNSSEC

109ms

SRV

67ms

Total

919ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 02:12:40	1498ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 14:06:05	424ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 14:00:51	960ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 14:31:03	709ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 08:59:33 shown	919ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 01:51:23	3358ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 00:00:23	870ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:10:13	956ms	3 NS 1 A 1 MX	🔒 Secure