lintel.dk

📜 Historical scan 2026-08-15 03:01:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lintel.dk is a .dk domain served by 2 nameservers (jaxson.ns.cloudflare.com, paris.ns.cloudflare.com). It was registered on 13 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.175 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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
jaxson.ns.cloudflare.com	108.162.195.221 162.159.44.221 172.64.35.221 2606:4700:58::a29f:2cdd 2803:f800:50::6ca2:c3dd 2a06:98c1:50::ac40:23dd	jaxson.ns.cloudflare.com jaxson.ns.cloudflare.com jaxson.ns.cloudflare.com jaxson.ns.cloudflare.com jaxson.ns.cloudflare.com jaxson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paris.ns.cloudflare.com	108.162.194.113 162.159.38.113 172.64.34.113 2606:4700:50::a29f:2671 2803:f800:50::6ca2:c271 2a06:98c1:50::ac40:2271	paris.ns.cloudflare.com paris.ns.cloudflare.com paris.ns.cloudflare.com paris.ns.cloudflare.com paris.ns.cloudflare.com paris.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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.175	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 43ms

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 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:bb5a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:38af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.175,172.67.187.90 ech=AEX+DQBBYgAgACBGvRrXv6a9v4jWEAwkiW7rxgQlUC5lVqOsOVHO/wsmaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:bb5a,2606:4700:3037::6815:38af

📝 TXT Records#

3 records 180ms

TXT Record
protonmail-verification=450391fd9dabe1f0f654074811d350e002951a81
v=spf1 -all
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

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

📨 DMARC#

Policy	Record (_dmarc.lintel.dk)
p=quarantine	v=DMARC1; p=quarantine
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-11 20:16:27

www CNAME	purple-forest-07de12303.5.azurestaticapps.net (all on azurestaticapps.net) → 51.124.91.155 (AS8075)
www vs bare domain	Same network lintel.dk: 20.8.24.149 (AS8075) www.lintel.dk: 51.124.91.155 (AS8075)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 0/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records 124ms

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	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

102ms

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	2412103361
Primary NS (MNAME)	jaxson.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 12:56:26

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-05-13
Expires	2027-05-12 (207d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

60ms

43ms

AAAA

52ms

TXT

180ms

CAA

52ms

HTTPS

38ms

TLSA

124ms

SOA

0ms

MTA-STS

82ms

DNSSEC

102ms

SRV

90ms

Total

1516ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 07:25:27	1454ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 02:55:00	756ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-19 02:36:28	1337ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-18 04:10:46	855ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-13 01:34:03	1543ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-21 07:45:15	2937ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-15 03:01:16 shown	1516ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-18 20:16:37	9357ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-11 19:02:09	1204ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 01:33:55	1677ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 02:51:48	1300ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 07:19:30	560ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 16:24:29	515ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 13:32:56	2481ms	2 NS 2 A 0 MX	⚠️ Bogus