calcoapp.dk

📜 Historical scan 2026-10-02 22:59:22  ·  ← 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   30ms
NameserverIP addressesPTRASN / 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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   49ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s smtp.google.com 172.253.152.26
172.253.152.27
2a00:1450:4010:c08::1a
2a00:1450:4010:c08::1a
2a00:1450:4010:c08::1b
2a00:1450:4010:c08::1b
2a00:1450:4010:c22::1a
2a00:1450:4010:c22::1b
64.233.162.27
64.233.165.26
64.233.165.27		 yulpptr-in-f26.1e100.net
yulpptr-in-f27.1e100.net
lg-in-x1a.1e100.net
lg-in-f26.1e100.net
lg-in-x1b.1e100.net
lg-in-f27.1e100.net
yulpptr-in-f26.1e100.net
yulpptr-in-f27.1e100.net
li-in-f27.1e100.net
lg-in-f26.1e100.net
lg-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.82,172.67.136.200 ech=AEX+DQBBdgAgACDArvUAQgkn5Am9lx7BsX0BUDXVBQC0RmfQAI531D/UNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3652,2606:4700:3035::ac43:88c8

📝 TXT Records#

3 records   176ms
TXT Record
google-site-verification=4aPvfBCV_v2XTL9hJLDkgx8KOTpBKMDSdVcHV2IMAIQ
google-site-verification=poEZ5go3vkSLz7YVczyGEare-Giqj-aZMFo8lE1qAbw
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.calcoapp.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:b5a7afc8ae084dfbbacc0a44239b731b@dmarc-reports.cloudflare.net; fo=1

📬 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
www104.21.54.82 172.67.136.200 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

64ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

35ms
FieldValue
Serial2416425734
Primary NS (MNAME)ligia.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 12:14:29
FieldValue
RegistrarSimply.com A/S
Registered2026-05-04
Expires2027-05-03 (197d)

🔗 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#

NS
30ms
A
30ms
MX
49ms
AAAA
29ms
TXT
176ms
CAA
25ms
HTTPS
34ms
TLSA
77ms
SOA
35ms
MTA-STS
39ms
DNSSEC
64ms
SRV
47ms
Total
578ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 03:59:47 522ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 22:59:22 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone