karch.dk

📜 Historical scan 2026-06-22 00:00:23 · ← 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 67ms

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 74ms

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 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	karch-dk.c-v1.mx.microsoft	2a01:111:f403:ca04::10 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.18 52.101.68.21 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as9pr07cu00302.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 252ms

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#

6 records 233ms

Service / Owner	Type	Cert association
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.karch-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…

🔐 DNSSEC#

64ms

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

🏷️ SOA#

81ms

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#

67ms

74ms

65ms

AAAA

74ms

TXT

252ms

CAA

41ms

HTTPS

58ms

TLSA

233ms

SOA

81ms

MTA-STS

38ms

DNSSEC

64ms

SRV

95ms

Total

870ms

🕐 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	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 shown	870ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:10:13	956ms	3 NS 1 A 1 MX	🔒 Secure