nelkop.dk

📜 Historical scan 2026-09-17 13:42:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nelkop.dk is a .dk domain served by 2 nameservers (meera.ns.cloudflare.com, nile.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.55 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.com. 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
meera.ns.cloudflare.com	108.162.192.195 172.64.32.195 173.245.58.195 2606:4700:50::adf5:3ac3 2803:f800:50::6ca2:c0c3 2a06:98c1:50::ac40:20c3	meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nile.ns.cloudflare.com	108.162.193.214 172.64.33.214 173.245.59.214 2606:4700:58::adf5:3bd6 2803:f800:50::6ca2:c1d6 2a06:98c1:50::ac40:21d6	nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.55	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.95	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4037	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b05f	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=104.21.64.55,172.67.176.95 ech=AEX+DQBBvQAgACCuP+kxjiHusZI8XVoQ7yEv5GwdG/SkZoKsDHekbplQSwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4037,2606:4700:3033::ac43:b05f

🔌 SRV Records#

1 records 70ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	imap.fastmail.com

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 include:spf.messagingengine.com ~all

✉️ SPF#

Policy	Record (nelkop.dk)
~all (soft fail)	v=spf1 include:spf.messagingengine.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 03:37:19

www	104.21.64.55 172.67.176.95 2606:4700:3031::6815:4037 2606:4700:3033::ac43:b05f (AS13335) (address records, no CNAME)
www vs bare domain	Same network nelkop.dk: 104.21.64.55 172.67.176.95 2606:4700:3031::6815:4037 2606:4700:3033::ac43:b05f (AS13335) www.nelkop.dk: 104.21.64.55 172.67.176.95 2606:4700:3031::6815:4037 2606:4700:3033::ac43:b05f (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nelkop.dk	QWNhzOL90GnEGqFOqejOM8k6NKhUqfia86_PsJiHIqI
TXT	_acme-challenge.nelkop.dk	U4d46MnJo9o9tK-AYXaiN6iqL8I8U1ZVuGdAAlyp2f0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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	2414973880
Primary NS (MNAME)	meera.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

43ms

36ms

AAAA

34ms

TXT

192ms

CAA

46ms

HTTPS

38ms

TLSA

355ms

SOA

0ms

MTA-STS

62ms

DNSSEC

124ms

SRV

70ms

Total

2246ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 14:30:57	1470ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-23 14:18:09	1083ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-17 13:42:11 shown	2246ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-10 19:58:47	1671ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-03 16:50:33	1545ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-28 07:42:55	9835ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-06 17:28:02	1932ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 13:05:10	979ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 01:58:55	917ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 15:47:06	3876ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 15:33:23	1008ms	2 NS 2 A 2 MX	⚠️ Bogus