simlau.dk

📜 Historical scan 2026-08-24 02:17:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simlau.dk is a .dk domain served by 2 nameservers (jarred.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 4 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.32.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, 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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
jarred.ns.cloudflare.com	108.162.195.126 162.159.44.126 172.64.35.126 2606:4700:58::a29f:2c7e 2803:f800:50::6ca2:c37e 2a06:98c1:50::ac40:237e	jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com jarred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.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 195ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.32.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.31	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
64	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
87	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 184ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b61f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:200a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 250ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.32.10,172.67.182.31 ech=AEX+DQBBPQAgACDkuKfQxcLCoKVelFvnTBm0d0HdzqjT/XLBRwU66UqnDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b61f,2606:4700:3036::6815:200a

📝 TXT Records#

1 records 489ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (simlau.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.simlau.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@simlau.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 2026-10-11 06:55:50

www	104.21.32.10 172.67.182.31 2606:4700:3032::ac43:b61f 2606:4700:3036::6815:200a (AS13335) (address records, no CNAME)
www vs bare domain	Same network simlau.dk: 104.21.32.10 172.67.182.31 2606:4700:3032::ac43:b61f 2606:4700:3036::6815:200a (AS13335) www.simlau.dk: 104.21.32.10 172.67.182.31 2606:4700:3032::ac43:b61f 2606:4700:3036::6815:200a (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 251ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

380ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2412994904
Primary NS (MNAME)	jarred.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 07:05:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-03-04
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

195ms

98ms

AAAA

184ms

TXT

489ms

CAA

146ms

HTTPS

250ms

TLSA

251ms

SOA

0ms

MTA-STS

237ms

DNSSEC

380ms

SRV

248ms

Total

6623ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 06:55:49	3025ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-08 03:21:31	813ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-03 08:03:41	1039ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-01 07:56:36	1174ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-01 07:54:09	988ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-17 07:35:13	1227ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-13 16:09:51	1798ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-03 11:51:49	1691ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-24 02:17:24 shown	6623ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-06 14:39:17	2094ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-15 07:26:00	9610ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-08 23:31:17	2661ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-02 19:33:28	5419ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-18 03:01:39	1318ms	2 NS 2 A 3 MX	🔒 Secure