6640.dk

📜 Historical scan 2026-10-04 10:21:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

6640.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 9 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.9.90.24 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 6640.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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   47ms
NameserverIP addressesPTRASN / ISP
ns3.nordicway.dk 2a01:4f8:c2c:d3c0::1
78.47.45.64		 ns3.nordicway.dk
ns3.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.nordicway.dk 2a01:4f8:c010:24a2::1
78.47.56.84		 ns4.nordicway.dk
ns4.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.90.24 3600s cp10.nordicway.dk AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein

📧 MX Records#

1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s 6640.dk 176.9.90.24 cp10.nordicway.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   278ms
TXT Record
v=spf1 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

✉️ SPF#

PolicyRecord (6640.dk)
~all (soft fail) v=spf1 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

📨 DMARC#

PolicyRecord (_dmarc.6640.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 17:18:42
www CNAME6640.dk (all on 6640.dk)
www vs bare domainSame network
6640.dk: 176.9.90.24 (AS24940)
www.6640.dk: 176.9.90.24 (AS24940)
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.6640.dk ffK7iORQv-Iadf0mFv1aQA8C6T5wpBuuMQH5QepujBY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

54ms
FieldValue
Serial2026100402
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 12:58:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-12-09
Expires2026-12-31 (74d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
5330.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
55ms
MX
49ms
AAAA
54ms
TXT
278ms
CAA
67ms
HTTPS
52ms
TLSA
117ms
SOA
54ms
MTA-STS
77ms
DNSSEC
94ms
SRV
71ms
Total
758ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 17:18:42 1337ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-16 16:26:22 1109ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-15 14:44:40 1393ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-14 12:42:10 720ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-13 10:00:08 1063ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-12 03:03:00 1356ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-11 01:05:30 514ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-10 00:38:05 701ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 15:20:45 862ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-07 15:16:03 1307ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-06 12:17:40 1353ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-05 10:27:35 940ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-04 10:21:10 shown 758ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-03 10:20:09 650ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-02 10:19:44 810ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 10:15:22 689ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 10:10:31 845ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 01:09:59 673ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-29 00:58:38 646ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-28 00:51:09 666ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-27 00:33:49 651ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-26 00:18:31 744ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 00:00:33 688ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 23:36:50 688ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-20 00:52:07 704ms 2 NS 1 A 1 MX 🔒 Secure
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