cal.dk

📜 Historical scan 2026-08-21 14:51:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cal.dk is a .dk domain served by 2 nameservers (amit.ns.cloudflare.com, emma.ns.cloudflare.com). It was registered on 9 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.166.161.222 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by cal-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
amit.ns.cloudflare.com	108.162.193.63 172.64.33.63 173.245.59.63 2606:4700:58::adf5:3b3f 2803:f800:50::6ca2:c13f 2a06:98c1:50::ac40:213f	amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
emma.ns.cloudflare.com	108.162.192.112 172.64.32.112 173.245.58.112 2606:4700:50::adf5:3a70 2803:f800:50::6ca2:c070 2a06:98c1:50::ac40:2070	emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.166.161.222	3600s	—	AS14061	DigitalOcean, LLC	188.166.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cal-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.68.21 52.101.68.3 52.101.73.19 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 113ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 339ms

TXT Record
MS=ms17342895
MS=ms49059564
v=msv1 t=DB06FD85-AC16-4255-A793-FF6FA1CEDCD9
v=spf1 include:spf.protection.outlook.com a:mailfilter01.itf.dk -all

✉️ SPF#

Policy	Record (cal.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:mailfilter01.itf.dk -all

📨 DMARC#

Policy	Record (_dmarc.cal.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 13:09:06

www	185.21.41.178 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cal.dk: 185.21.41.178 (AS48854) www.cal.dk: 185.21.41.178 (AS48854)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u33880552.wl053.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u33880552.wl053.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

205ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412736124
Primary NS (MNAME)	amit.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 21:33:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-06-09
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

96ms

77ms

80ms

AAAA

67ms

TXT

339ms

CAA

89ms

HTTPS

75ms

TLSA

323ms

SOA

0ms

MTA-STS

111ms

DNSSEC

205ms

SRV

113ms

Total

2472ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:18:31	1223ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 02:32:12	1530ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 13:33:20	2238ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 09:58:44	1828ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 16:51:57	1573ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-21 14:51:18 shown	2472ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 14:38:36	14161ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-01 23:25:33	2028ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 07:16:05	2365ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 18:50:10	857ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 18:55:45	717ms	2 NS 1 A 1 MX	🔓 Insecure