retzef.dk

📜 Historical scan 2026-08-27 12:52:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

retzef.dk is a .dk domain served by 2 nameservers (pearl.ns.cloudflare.com, sid.ns.cloudflare.com). It was registered on 11 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.77 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gw.swat.dk. The zone is not DNSSEC-signed, 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   49ms

🌍 A Records#

2 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.26.77 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.135.160 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s gw.swat.dk 136.144.183.154 gw.swat.dk AS20857 Signet B.V.

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.retzef.dk → 149.210.172.243
🔶 Autoconfigmail.retzef.dk → 149.210.172.243

🔷 AAAA Records (IPv6)#

2 records   56ms

🔐 HTTPS Records#

1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.26.77,172.67.135.160 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1a4d,2606:4700:3037::ac43:87a0

🔌 SRV Records#

1 records   84ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail.retzef.dk

📝 TXT Records#

1 records   266ms
TXT Record
v=spf1 a:mail.pmoxadm.dk ip4:149.210.172.243 include:_spf.transip.email ~all

✉️ SPF#

PolicyRecord (retzef.dk)
~all (soft fail) v=spf1 a:mail.pmoxadm.dk ip4:149.210.172.243 include:_spf.transip.email ~all

📨 DMARC#

PolicyRecord (_dmarc.retzef.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarc@retzef.dk; ruf=mailto:dmarc@retzef.dk; fo=1

📬 MTA-STS#

215ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID20260818
Policy MX—

📈 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 2026-10-14 00:13:20

✍️ 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9127ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412537552
Primary NS (MNAME)pearl.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 19:00:25
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-07-11
Expires2027-07-31 (286d)

🔗 Same registrant#

10 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).

DomainRegistrar
highperformer.dkPunktum dk A/S (direct)
kravmagaacademy.dkPunktum dk A/S (direct)
kravmagaroskilde.dkPunktum dk A/S (direct)
mycrm.dkPunktum dk A/S (direct)
mywiki.dkPunktum dk A/S (direct)
parawings.dkPunktum dk A/S (direct)
pmox.dkPunktum dk A/S (direct)
pmoxadm.dkPunktum dk A/S (direct)
retzev.dkPunktum dk A/S (direct)
swat.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
65ms
MX
50ms
AAAA
56ms
TXT
266ms
CAA
65ms
HTTPS
50ms
TLSA
130ms
SOA
0ms
MTA-STS
215ms
DNSSEC
9127ms
SRV
84ms
Total
9819ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 08:15:16 985ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 08:10:33 799ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 20:30:37 925ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 19:51:59 1873ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 12:52:53 shown 9819ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 17:13:55 3195ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-08 07:29:37 1033ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-11 11:13:41 1305ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 19:05:41 4015ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 11:36:22 1136ms 2 NS 2 A 1 MX 🔓 Insecure
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