calcua.dk

📜 Historical scan 2026-07-23 22:52:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

calcua.dk is a .dk domain served by 2 nameservers (gene.ns.cloudflare.com, peyton.ns.cloudflare.com). It was registered on 17 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.205.18.136 is hosted by Host Europe GmbH (AS21499) in France. Mail is handled by calcua-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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
gene.ns.cloudflare.com	108.162.192.158 172.64.32.158 173.245.58.158 2606:4700:50::adf5:3a9e 2803:f800:50::6ca2:c09e 2a06:98c1:50::ac40:209e	gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com	108.162.193.221 172.64.33.221 173.245.59.221 2606:4700:58::adf5:3bdd 2803:f800:50::6ca2:c1dd 2a06:98c1:50::ac40:21dd	peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.205.18.136	300s	136.18.205.92.host.secureserver.net	AS21499	Host Europe GmbH	92.205.0.0/19	🇫🇷 France	Strasbourg

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	calcua-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.27 52.101.73.15 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 173ms

TXT Record
MS=ms69875928
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (calcua.dk)
~all (soft fail)	v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.calcua.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:dmarc@calcua.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#

latest probe, not this scan · checked 2026-10-13 00:45:43

www	92.205.31.167 (AS21499) (address records, no CNAME)
www vs bare domain	Same network calcua.dk: 92.205.31.167 (AS21499) www.calcua.dk: 92.205.31.167 (AS21499)
Wildcard	No

🔎 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#

9067ms

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	2410251908
Primary NS (MNAME)	gene.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 06:17:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-08-17
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

40ms

35ms

AAAA

33ms

TXT

173ms

CAA

39ms

HTTPS

33ms

TLSA

604ms

SOA

0ms

MTA-STS

56ms

DNSSEC

9067ms

SRV

46ms

Total

11250ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 00:55:51	905ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 10:25:42	2277ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 14:19:26	19823ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 22:52:29 shown	11250ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-29 14:18:18	2146ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 05:32:30	895ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:55:31	602ms	2 NS 1 A 1 MX	🔓 Insecure