fedrem.dk

📜 Historical scan 2026-06-21 07:13:27  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fedrem.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, ivy.ns.cloudflare.com). It was registered on 27 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.143 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 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   90ms

🌍 A Records#

2 records   89ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.84.143 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.193.208 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   113ms

🔷 AAAA Records (IPv6)#

2 records   85ms

🔐 HTTPS Records#

1 records   91ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.84.143,172.67.193.208 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:548f,2606:4700:3031::ac43:c1d0

📝 TXT Records#

1 records   387ms
TXT Record
google-site-verification=AsjPy3nFHf16cwZeipDKqbEQ1rDzRoXMeTs50bjrtbI

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.fedrem.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 2026-10-15 08:45:23
www54.37.19.164 (AS16276) (address records, no CNAME)
www vs bare domainDifferent networks (all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — 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.

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.fedrem.dk 2Ciwln_rILbnSU5naNKuG5Q73H_r-CcwwUkm4rydkI4
TXT _acme-challenge.fedrem.dk -vd_O6YtFa19Rczn6x6_CMnhvK78cMn-0gwyiLeM8yM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

311ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2407481150
Primary NS (MNAME)ed.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-08 10:26:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-12-27
Expires2026-12-31 (74d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
90ms
A
89ms
MX
113ms
AAAA
85ms
TXT
387ms
CAA
92ms
HTTPS
91ms
TLSA
157ms
SOA
0ms
MTA-STS
132ms
DNSSEC
311ms
SRV
122ms
Total
1540ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 08:45:23 1435ms 2 NS 2 A 5 MX 🔒 Secure
2026-10-03 15:07:10 1230ms 2 NS 2 A 5 MX 🔒 Secure
2026-10-01 15:03:41 626ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-28 14:41:19 930ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-23 13:42:21 1346ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-21 02:58:16 1674ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-19 12:27:38 1274ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-15 19:12:07 7952ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-08 14:39:34 1542ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-03 17:55:49 1501ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-27 16:25:42 704ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-24 19:46:47 1170ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-07 13:40:17 1933ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-11 13:41:17 1861ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-27 08:49:29 1235ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-21 07:13:27 shown 1540ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-17 10:08:00 861ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-17 10:04:33 10398ms 0 NS 0 A 0 MX ❓ Unknown
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