nemko.dk

📜 Historical scan 2026-09-08 10:33:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nemko.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, virginia.ns.cloudflare.com). It was registered on 7 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.208 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 133ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
virginia.ns.cloudflare.com	108.162.194.37 162.159.38.37 172.64.34.37 2606:4700:50::a29f:2625 2803:f800:50::6ca2:c225 2a06:98c1:50::ac40:2225	virginia.ns.cloudflare.com virginia.ns.cloudflare.com virginia.ns.cloudflare.com virginia.ns.cloudflare.com virginia.ns.cloudflare.com virginia.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 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.208	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.230	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:34d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cbe6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 97ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.208,172.67.203.230 ech=AEX+DQBB+gAgACAXQp6aQetdBPNWrgL7/DB/wZZ0TGTXJWP1exsA/GaAAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:34d0,2606:4700:3035::ac43:cbe6

📝 TXT Records#

1 records 258ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (nemko.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.nemko.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 2026-10-17 01:28:38

www	104.21.52.208 172.67.203.230 2606:4700:3030::6815:34d0 2606:4700:3035::ac43:cbe6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nemko.dk: 104.21.52.208 172.67.203.230 2606:4700:3030::6815:34d0 2606:4700:3035::ac43:cbe6 (AS13335) www.nemko.dk: 104.21.52.208 172.67.203.230 2606:4700:3030::6815:34d0 2606:4700:3035::ac43:cbe6 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nemko.dk	JXPBfTBXyXea-erP3uliukkNUreov9NxffIOReAssws
TXT	_acme-challenge.nemko.dk	yKCwU67xobpAaGqcUFkOQrBI2LmsqbIlVacDBOmM9Gw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

179ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414262453
Primary NS (MNAME)	clark.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 04:50:27

Field	Value
Registrar	Domeneshop AS
Registered	2007-03-07
Expires	2027-03-31 (162d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

133ms

114ms

99ms

AAAA

121ms

TXT

258ms

CAA

119ms

HTTPS

97ms

TLSA

407ms

SOA

0ms

MTA-STS

117ms

DNSSEC

179ms

SRV

159ms

Total

1678ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 01:28:38	456ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 23:00:18	2504ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 04:58:58	411ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 02:41:02	642ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 15:15:46	631ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 00:40:07	1493ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 10:33:41 shown	1678ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 11:53:57	1098ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-30 10:50:26	1922ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 08:33:11	1038ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 03:44:23	1047ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 19:59:04	934ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 11:43:23	5963ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 11:34:05	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 06:54:51	1034ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 16:36:12	1057ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:23:10	789ms	2 NS 2 A 0 MX	🔒 Secure