4mail.dk

📜 Historical scan 2026-06-24 18:22:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4mail.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 21 June 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.1.82 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.4mail.dk. 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   57ms

🌍 A Records#

1 records   70ms

📧 MX Records#

1 records   62ms

🔷 AAAA Records (IPv6)#

1 records   59ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   271ms
TXT Record
v=spf1 ip4:167.235.1.82 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all

✉️ SPF#

PolicyRecord (4mail.dk)
~all (soft fail) v=spf1 ip4:167.235.1.82 +a +mx +ip4:148.251.244.167 include:relay.mailchannels.net ~all

📨 DMARC#

PolicyRecord (_dmarc.4mail.dk)
p=reject v=DMARC1;p=reject;sp=reject;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 2026-10-16 07:35:52
www CNAME4mail.dk (all on 4mail.dk)
www vs bare domainSame network
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.4mail.dk 3iR9KMrbA2CKQjvLTItB4Ut3L7zhOiAf-TvkXXIuJlc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

63ms
FieldValue
Serial2026060301
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-04 15:21:09
FieldValue
Registrarnordicway ApS
Registered2005-06-21
Expires2028-06-30 (622d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
57ms
A
70ms
MX
62ms
AAAA
59ms
TXT
271ms
CAA
46ms
HTTPS
61ms
TLSA
81ms
SOA
63ms
MTA-STS
62ms
DNSSEC
134ms
SRV
66ms
Total
682ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-04 15:13:53 707ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 14:59:37 621ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 03:33:02 1350ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-05 14:35:13 1850ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 01:27:53 1015ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 18:22:13 shown 682ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 21:12:45 1172ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 12:59:32 1358ms 2 NS 1 A 1 MX 🔒 Secure
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