calcua.dk

📜 Historical scan 2026-06-16 18:55:31 · ← 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
gene.ns.cloudflare.com	—	—	—
peyton.ns.cloudflare.com	—	—	—

🌍 A Records#

1 records 55ms

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

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	calcua-dk.mail.protection.outlook.com	52.101.68.15 52.101.73.153 52.101.73.28 52.101.73.6	mail-db6pr03cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	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 158ms

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#

145ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2404682775
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 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

AAAA

55ms

TXT

158ms

CAA

51ms

HTTPS

53ms

TLSA

114ms

SOA

52ms

MTA-STS

53ms

DNSSEC

145ms

SRV

0ms

Total

602ms

🕐 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	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 shown	602ms	2 NS 1 A 1 MX	🔓 Insecure