calcoapp.dk

📜 Historical scan 2026-08-30 06:37:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

calcoapp.dk is a .dk domain served by 2 nameservers (ligia.ns.cloudflare.com, tony.ns.cloudflare.com). It was registered on 4 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.82 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, publishes a 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 116ms

Nameserver	IP addresses	PTR	ASN / ISP
ligia.ns.cloudflare.com	108.162.194.4 162.159.38.4 172.64.34.4 2606:4700:50::a29f:2604 2803:f800:50::6ca2:c204 2a06:98c1:50::ac40:2204	ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tony.ns.cloudflare.com	108.162.193.240 172.64.33.240 173.245.59.240 2606:4700:58::adf5:3bf0 2803:f800:50::6ca2:c1f0 2a06:98c1:50::ac40:21f0	tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.82	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.200	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:3652	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:88c8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.82,172.67.136.200 ech=AEX+DQBBCAAgACBWNcbUmIw6BDTdUVuwY/+/8cld3Ph/HxlMJkn5hMW1cQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3652,2606:4700:3035::ac43:88c8

📝 TXT Records#

3 records 344ms

TXT Record
google-site-verification=4aPvfBCV_v2XTL9hJLDkgx8KOTpBKMDSdVcHV2IMAIQ
google-site-verification=poEZ5go3vkSLz7YVczyGEare-Giqj-aZMFo8lE1qAbw
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (calcoapp.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.calcoapp.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@calcoapp.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 2026-10-08 03:59:47

www	104.21.54.82 172.67.136.200 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network calcoapp.dk: 104.21.54.82 172.67.136.200 2606:4700:3034::6815:3652 2606:4700:3035::ac43:88c8 (AS13335) www.calcoapp.dk: 104.21.54.82 172.67.136.200 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

278ms

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	2413499955
Primary NS (MNAME)	ligia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 12:14:29

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-04
Expires	2027-05-03 (196d)

🔗 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#

116ms

102ms

123ms

AAAA

100ms

TXT

344ms

CAA

94ms

HTTPS

83ms

TLSA

154ms

SOA

0ms

MTA-STS

161ms

DNSSEC

278ms

SRV

128ms

Total

1200ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:59:47	522ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 22:59:22	578ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 22:49:07	644ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 06:38:22	836ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 17:11:40	1248ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 06:37:11 shown	1200ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 21:52:20	1556ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 20:10:14	1371ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 08:16:54	2108ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 12:01:19	1255ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 06:02:45	1213ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 21:49:38	1199ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 18:55:49	960ms	2 NS 2 A 3 MX	🔓 Insecure