kalkchat.dk

📜 Historical scan 2026-09-07 01:26:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalkchat.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, wally.ns.cloudflare.com). It was registered on 27 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.143 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 9ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wally.ns.cloudflare.com	108.162.192.239 172.64.32.239 173.245.58.239 2606:4700:50::adf5:3aef 2803:f800:50::6ca2:c0ef 2a06:98c1:50::ac40:20ef	wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.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 9ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.143	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 8ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
43	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
48	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
79	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 8ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a3b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3033::6815:218f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records#

1 records 111ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.143,172.67.163.182 ech=AEX+DQBBdAAgACBFn0MwR1AaAUSTFKDXj4hQ8s5NU+94Ywvl5yH346yoFgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a3b6,2606:4700:3033::6815:218f

📝 TXT Records#

1 records 44ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (kalkchat.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:01:32

www	NXDOMAIN
www vs bare domain	www does not resolve kalkchat.dk: 104.21.33.143 172.67.163.182 2606:4700:3031::ac43:a3b6 2606:4700:3033::6815:218f (AS13335) www.kalkchat.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 158ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

220ms

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

🏷️ SOA#

7ms

Field	Value
Serial	2411589644
Primary NS (MNAME)	algin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 20:38:28

Field	Value
Registrar	Simply.com A/S
Registered	2024-08-27
Expires	2027-08-26 (308d)

📋 WHOIS#

⏱️ Lookup Timing#

9ms

8ms

AAAA

8ms

TXT

44ms

CAA

6ms

HTTPS

111ms

TLSA

158ms

SOA

7ms

MTA-STS

10ms

DNSSEC

220ms

SRV

0ms

Total

2298ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:01:32	613ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-04 20:16:43	1141ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 19:50:38	1016ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-28 02:11:51	9726ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-21 18:18:22	1022ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-15 07:19:16	5109ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-07 01:26:18 shown	2298ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 10:06:36	2964ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-09 18:27:44	3952ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-18 09:04:01	782ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 20:15:30	524ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 23:14:44	1207ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:34:50	2891ms	2 NS 2 A 0 MX	🔓 Insecure