szimnau.dk

📜 Historical scan 2026-08-21 09:45:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

szimnau.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, lars.ns.cloudflare.com). It was registered on 7 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.114 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 260ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lars.ns.cloudflare.com	108.162.193.195 172.64.33.195 173.245.59.195 2606:4700:58::adf5:3bc3 2803:f800:50::6ca2:c1c3 2a06:98c1:50::ac40:21c3	lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.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 330ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

7 records 282ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx4.googlemail.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 310ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:9f66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3a72	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 303ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.114,172.67.159.102 ech=AEX+DQBBXwAgACBjTmLUSwKDFLLUTTzCMyhH8MAC+DBiiXgRgNYhreqPDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9f66,2606:4700:3035::6815:3a72

🔌 SRV Records#

5 records 324ms

Service	Priority	Weight	Port	Target
_xmpp-server._tcp	5	10	5269	xmpp-server.l.google.com
_xmpp-server._tcp	20	10	5269	xmpp-server3.l.google.com
_xmpp-server._tcp	20	10	5269	xmpp-server1.l.google.com
_xmpp-server._tcp	20	10	5269	xmpp-server2.l.google.com
_xmpp-server._tcp	20	10	5269	xmpp-server4.l.google.com

📝 TXT Records#

2 records 766ms

TXT Record
google-site-verification=CBcjAp9jkbgFt-OBFJB_ypaa-QpJ_pqTGBYsytsHnao
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.szimnau.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-20 03:30:58

www	104.21.58.114 172.67.159.102 2606:4700:3032::ac43:9f66 2606:4700:3035::6815:3a72 (AS13335) (address records, no CNAME)
www vs bare domain	Same network szimnau.dk: 104.21.58.114 172.67.159.102 2606:4700:3032::ac43:9f66 2606:4700:3035::6815:3a72 (AS13335) www.szimnau.dk: 104.21.58.114 172.67.159.102 2606:4700:3032::ac43:9f66 2606:4700:3035::6815:3a72 (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#

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.szimnau.dk	9hWRwwZRhyXwrltjjoX6lQqKCOWuT5TTQyjIR8ijFAg
TXT	_acme-challenge.szimnau.dk	EHsXKUFU5NTuwUEaHdvcsXqC0TasgDLxOszqEpo6n-g

🔗 TLSA / DANE#

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

🔐 DNSSEC#

566ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412783996
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 03:52:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-09-07
Expires	2027-09-30 (339d)

🔗 Same registrant#

2 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).

Domain	Registrar
office-place.dk	ONE.COM A/S
officeplace.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

260ms

330ms

282ms

AAAA

310ms

TXT

766ms

CAA

305ms

HTTPS

303ms

TLSA

545ms

SOA

0ms

MTA-STS

402ms

DNSSEC

566ms

SRV

324ms

Total

10903ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 03:30:58	717ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-15 21:07:02	2035ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-08 16:34:01	1174ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-07 21:35:42	691ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-30 02:03:17	703ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-22 18:47:01	1173ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-17 01:21:12	4132ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-12 00:34:22	1324ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-03 15:29:34	1653ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-28 11:21:41	3445ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-22 09:59:02	12104ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-21 09:45:11 shown	10903ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-10 20:21:10	3835ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-04 11:51:27	1652ms	2 NS 2 A 7 MX	🔓 Insecure
2026-07-17 09:19:39	1752ms	2 NS 2 A 7 MX	❓ Unknown
2026-07-11 17:07:13	1575ms	2 NS 2 A 7 MX	❓ Unknown
2026-07-05 17:29:42	42252ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-26 07:36:09	1750ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-24 01:22:38	1467ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-23 06:53:23	1023ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:58:20	851ms	2 NS 2 A 7 MX	🔓 Insecure