ulfnielsen.dk
Last scanned: 2026-08-28 00:07:50  ·  602ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   42ms
NameserverIP addressesPTRASN / ISP
ns1.e-studio.dk 195.242.131.5
2001:67c:564:fffc::11		 ns1.e-studio.dk
ns1.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
ns2.e-studio.dk 2a00:1b18:2:3::2
62.69.152.34		 ns2.e-studio.dk
ns2.e-studio.dk		 AS47527 DLX A/S
AS47527 DLX A/S
ns3.e-studio.dk 193.200.90.183
2001:67c:564:fffc::13		 ns3.e-studio.dk
ns3.e-studio.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
🌍 A Records1 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.131.2 14400s web.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —
📧 MX Records2 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mx1.spamfri.dk 195.242.131.16
2001:67c:564:fffd::1001		 mx1.spamfri.dk
mx1.spamfri.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
20 14400s mx2.spamfri.dk 193.200.91.109
2001:67c:564:fffd::2001		 mx2.spamfri.dk
mx2.spamfri.dk		 AS62121 Christian Ebsen ApS
AS62121 Christian Ebsen ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.242.131.2
🔶 Autoconfig195.242.131.2
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   199ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   135ms
TXT Record
v=spf1 include:_spf.e-studio.dk -all
✉️ SPF
PolicyRecord (ulfnielsen.dk)
-all (hard fail) v=spf1 include:_spf.e-studio.dk -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.ulfnielsen.dk AxOVYZV5g1VNO582hFCsInXwRP3xMqK_V_4YDvyMs1o
🔗 TLSA / DANE2 records   50ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071301
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
44ms
MX
34ms
AAAA
45ms
TXT
135ms
CAA
44ms
HTTPS
30ms
TLSA
50ms
SOA
0ms
MTA-STS
51ms
DNSSEC
80ms
SRV
199ms
Total
602ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 00:07:50 602ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-18 13:17:42 932ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-18 00:24:54 695ms 3 NS 1 A 2 MX 🔒 Secure View
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