nemsim.dk

📜 Historical scan 2026-06-18 03:03:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nemsim.dk is a .dk domain served by 2 nameservers (asa.ns.cloudflare.com, clyde.ns.cloudflare.com). It was registered on 17 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
asa.ns.cloudflare.com	108.162.192.246 172.64.32.246 173.245.58.246 2606:4700:50::adf5:3af6 2803:f800:50::6ca2:c0f6 2a06:98c1:50::ac40:20f6	asa.ns.cloudflare.com asa.ns.cloudflare.com asa.ns.cloudflare.com asa.ns.cloudflare.com asa.ns.cloudflare.com asa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
clyde.ns.cloudflare.com	108.162.193.91 172.64.33.91 173.245.59.91 2606:4700:58::adf5:3b5b 2803:f800:50::6ca2:c15b 2a06:98c1:50::ac40:215b	clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.42	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.49	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lt-in-f27.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.152.26 2404:6800:4000:1025::1b	yulpptr-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	192.178.211.27 2404:6800:4003:c26::1b	lcbomp-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:4008:c01::1b	yunrtab-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:282a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:af31	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBUgAgACBikhzZAr7Rk2pMlFm723zwb2k97MV6NY84MH+YnyTnJgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

3 records 149ms

TXT Record
google-site-verification=-jmhD0SOiGJ3xO1fc8Byci5qbAIwAxOiaQWVwjuvvls
google-site-verification=tLfUvazS5EY9w5OXlvjgzFxgUkr5QpH4OfJ9zOUMZ_w
v=spf1 a mx include:spf.speedio.dk ip4:144.76.111.145 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (nemsim.dk)
~all (soft fail)	v=spf1 a mx include:spf.speedio.dk ip4:144.76.111.145 include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 18:56:20

www	104.21.40.42 172.67.175.49 2606:4700:3030::ac43:af31 2606:4700:3036::6815:282a (AS13335) (address records, no CNAME)
www vs bare domain	Same network nemsim.dk: 104.21.40.42 172.67.175.49 2606:4700:3030::ac43:af31 2606:4700:3036::6815:282a (AS13335) www.nemsim.dk: 104.21.40.42 172.67.175.49 2606:4700:3030::ac43:af31 2606:4700:3036::6815:282a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2403650862
Primary NS (MNAME)	asa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 04:11:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-10-17
Expires	2035-10-31 (3297d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

41ms

53ms

AAAA

84ms

TXT

149ms

CAA

45ms

HTTPS

58ms

TLSA

125ms

SOA

40ms

MTA-STS

41ms

DNSSEC

72ms

SRV

112ms

Total

972ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-15 12:37:32	2679ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-08 04:22:14	2064ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 13:46:27	1549ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 15:22:08	2520ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-17 16:52:28	25407ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-05 21:44:03	1917ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 03:03:27 shown	972ms	2 NS 2 A 5 MX	🔓 Insecure