tacit.dk

📜 Historical scan 2026-10-04 17:27:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tacit.dk is a .dk domain served by 2 nameservers (laila.ns.cloudflare.com, terry.ns.cloudflare.com). It was registered on 5 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.201 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 88ms

Nameserver	IP addresses	PTR	ASN / ISP
laila.ns.cloudflare.com	108.162.194.122 162.159.38.122 172.64.34.122 2606:4700:50::a29f:267a 2803:f800:50::6ca2:c27a 2a06:98c1:50::ac40:227a	laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terry.ns.cloudflare.com	108.162.193.237 172.64.33.237 173.245.59.237 2606:4700:58::adf5:3bed 2803:f800:50::6ca2:c1ed 2a06:98c1:50::ac40:21ed	terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.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 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.201	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.54	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records 92ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5bc9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b336	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 111ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.201,172.67.179.54 ech=AEX+DQBBmQAgACD7Shh1d6qs0wpKexZQye4mLOUQsE3TN9MW0nZe3I37bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5bc9,2606:4700:3034::ac43:b336

📝 TXT Records#

3 records 339ms

TXT Record
google-site-verification=5ZrT_uiBMZwVjASCPtNbZsNQfctQBQ5ehMvaqzJ6slU
protonmail-verification=67884154b5f67248bea137848b80f2e1d40c17bd
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (tacit.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.tacit.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-07 19:46:29

www	104.21.91.201 172.67.179.54 2606:4700:3033::6815:5bc9 2606:4700:3034::ac43:b336 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tacit.dk: 104.21.91.201 172.67.179.54 2606:4700:3033::6815:5bc9 2606:4700:3034::ac43:b336 (AS13335) www.tacit.dk: 104.21.91.201 172.67.179.54 2606:4700:3033::6815:5bc9 2606:4700:3034::ac43:b336 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tacit.dk	FP65_F6GNG2I4wpwObB00FpV3I86BRYcqWSKG7Nc4To
TXT	_acme-challenge.tacit.dk	nPi4s5P9S4kLfDJ8IIwhKsGg__C3K4CLWIbg6QACgmk

🔗 TLSA / DANE#

4 records 240ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

224ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2416613031
Primary NS (MNAME)	laila.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 18:14:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-10-05
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

74ms

AAAA

92ms

TXT

339ms

CAA

102ms

HTTPS

111ms

TLSA

240ms

SOA

61ms

MTA-STS

134ms

DNSSEC

224ms

SRV

154ms

Total

1701ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 17:31:00	2313ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-04 17:27:27 shown	1701ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 16:15:31	763ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-09 14:19:06	1522ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-28 05:38:14	996ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 05:31:01	925ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-01 17:50:47	1310ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-20 22:59:57	1652ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-09 05:24:42	1670ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-30 09:54:58	877ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 18:16:38	897ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 00:40:22	1190ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 20:48:44	2894ms	2 NS 2 A 2 MX	⚠️ Bogus
2026-06-17 22:29:48	1178ms	2 NS 2 A 2 MX	🔓 Insecure