ckjaersig.dk

Records from scan: 2026-10-18 07:20:40 · 732ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ckjaersig.dk is a .dk domain served by 2 nameservers (bryce.ns.cloudflare.com, kristin.ns.cloudflare.com). It was registered on 31 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.9.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
bryce.ns.cloudflare.com	108.162.195.137 162.159.44.137 172.64.35.137 2606:4700:58::a29f:2c89 2803:f800:50::6ca2:c389 2a06:98c1:50::ac40:2389	bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.189	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.132	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.103.108 94.231.106.20	mx.simply.com mx.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.189.132
🔶 Autoconfig	104.21.9.189

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:9bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bd84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.189,172.67.189.132 ech=AEX+DQBB1AAgACC+S7EgutyXwHwwQJ/D+w1eQK7+vqPOW/HZJQ3ezR7fSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:9bd,2606:4700:3036::ac43:bd84

📝 TXT Records#

2 records 196ms

TXT Record
google-site-verification=SGUnT34zMNNX5odia1atEDjgEpPQ8SE_apr_ZkxGuGs
v=spf1 include:spf.simply.com include:mailgun.org include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (ckjaersig.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:mailgun.org include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.ckjaersig.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@ckjaersig.dk

📬 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#

checked 2026-10-18 07:20:40

www	104.21.9.189 172.67.189.132 2606:4700:3033::6815:9bd 2606:4700:3036::ac43:bd84 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ckjaersig.dk: 104.21.9.189 172.67.189.132 2606:4700:3033::6815:9bd 2606:4700:3036::ac43:bd84 (AS13335) www.ckjaersig.dk: 104.21.9.189 172.67.189.132 2606:4700:3033::6815:9bd 2606:4700:3036::ac43:bd84 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 289ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

91ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

42ms

Field	Value
Serial	2417768460
Primary NS (MNAME)	bryce.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 07:59:32

Field	Value
Registrar	Simply.com A/S
Registered	2011-08-31
Expires	2027-08-31 (316d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

52ms

50ms

57ms

AAAA

32ms

TXT

196ms

CAA

51ms

HTTPS

42ms

TLSA

289ms

SOA

42ms

MTA-STS

51ms

DNSSEC

91ms

SRV

71ms

Total

732ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 07:20:40 shown	732ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 22:08:21	705ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 20:30:00	1016ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 15:13:52	1102ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 12:31:38	666ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 16:22:14	2342ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 15:27:39	596ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:46:34	65535ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:24:15	1543ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 21:09:36	392ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 21:00:35	625ms	4 NS 1 A 1 MX	🔒 Secure