prf.dk

📜 Historical scan 2026-06-18 10:42:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prf.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 June 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by prf-dk.mail.protection.outlook.com. 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#

3 records   141ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   144ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 — dnsforward.simply.com AS48854 — — — —

📧 MX Records#

1 records   151ms
PriorityTTLMail ServerIP addressesPTRASN
10 — prf-dk.mail.protection.outlook.com 2a01:111:f403:ca04::8
2a01:111:f403:ca04::a
2a01:111:f403:ca04::c
2a01:111:f403:ca04::d
52.101.68.12
52.101.73.12
52.101.73.15
52.101.73.153		 mail-db5pr02cu00100.inbound.protection.outlook.com
mail-du0pr03cu00102.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.253.40
🔶 Autoconfig94.231.106.109

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   195ms
TXT Record
MS=ms10213480
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (prf.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.prf.dk)
p=reject v=DMARC1; p=reject; pct=100

📬 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 2026-10-12 20:21:57
www94.231.106.109 (AS48854) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-prf-dk._domainkey.planetaryresponsibility.onmicrosoft.com 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

130ms
FieldValue
Serial2025052800
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-12 20:45:08
FieldValue
RegistrarSimply.com A/S
Registered2022-06-28
Expires2027-06-27 (249d)

🔗 Same registrant#

24 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
alfacowork.dkSimply.com A/S
alfacoworks.dkSimply.com A/S
alfahabitat.dkPunktum dk A/S (direct)
alfahome.dkSimply.com A/S
alfaliving-irmabyen.dkPunktum dk A/S (direct)
alfalivingroom.dkPunktum dk A/S (direct)
alfaplay.dkPunktum dk A/S (direct)
alfaresidence.dkSimply.com A/S
alfawork.dkSimply.com A/S
aliving.dkPunktum dk A/S (direct)
andreea-kaiser.dkSimply.com A/S
astashave.dkSimply.com A/S
ib-alfaliving.dkPunktum dk A/S (direct)
ibalfaliving.dkPunktum dk A/S (direct)
korsdalsvej.dkSimply.com A/S
livingbyalfa-irmabyen.dkSimply.com A/S
maisonirmabyen.dkPunktum dk A/S (direct)
morkhoj-bygade.dkSimply.com A/S
seedalfaventures.dkSimply.com A/S
soborg-skovby.dkSimply.com A/S
soeborg-skovby.dkSimply.com A/S
soeborgskovby.dkSimply.com A/S
søborg-skovby.dkSimply.com A/S
treetrek.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
141ms
A
144ms
MX
151ms
AAAA
140ms
TXT
195ms
CAA
130ms
HTTPS
130ms
TLSA
379ms
SOA
130ms
MTA-STS
120ms
DNSSEC
167ms
SRV
435ms
Total
1516ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 20:21:57 1194ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 01:32:15 2394ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-29 15:47:03 1045ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-24 05:56:47 1080ms 3 NS 1 A 1 MX ⚠️ Bogus
2026-06-23 21:52:39 842ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-23 05:18:32 941ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-18 10:42:42 shown 1516ms 3 NS 1 A 1 MX 🔒 Secure
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