sktst.dk
Last scanned: 2026-08-31 13:28:41  ·  2380ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers6 records   134ms
NameserverIP addressesPTRASN / ISP
df-ns01.skat.dk 147.29.150.31 df-ns01.skat.dk AS3292 TDC Holding A/S
df-ns02.skat.dk 147.29.151.254 df-ns02.skat.dk AS3292 TDC Holding A/S
df-ns03.skat.dk 147.29.150.31 df-ns01.skat.dk AS3292 TDC Holding A/S
df-ns04.skat.dk 147.29.151.254 df-ns02.skat.dk AS3292 TDC Holding A/S
ns1-auth.csc.dk 147.29.236.25
2a01:5440:2:0:147:29:236:25		 ns1-auth.csc.dk
—		 AS29156 DXC Technology Danmark A/S
AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk 147.29.238.25
2a01:5440:2:2000:147:29:238:25		 ns2-auth.csc.dk
—		 AS29156 DXC Technology Danmark A/S
AS29156 DXC Technology Danmark A/S
🌍 A Records2 records   95ms
IPTTLPTRASNISP / OrgCIDRCountryCity
13.107.213.53 120s — AS8075 Microsoft Corporation 13.107.192.0/19 🇺🇸 United States —
13.107.246.53 120s — AS8075 Microsoft Corporation 13.107.240.0/21 🇺🇸 United States —
📧 MX Records1 records   82ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s sktst-dk.t-v1.mx.microsoft 2a01:111:f403:ca09::5
2a01:111:f403:ca09::b
2a01:111:f403:ca09::f
2a01:111:f403:ca38::8
52.101.68.12
52.101.73.12
52.101.73.4
52.101.73.8		 mail-am1pr04cu00105.inbound.protection.outlook.com
mail-am7pr05cu00103.inbound.protection.outlook.com
mail-am7pr05cu00307.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-am0pr83cu00404.inbound.protection.outlook.com
mail-am0pr04cu00500.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 → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   163ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 0 5061 sipfed.online.lync.com
📝 TXT Records9 records   453ms
TXT Record
_globalsign-domain-verification=tE6Xmj13CMHDFE4na8CwGoORNxcAh07ojWIFLC0Z2b
apple-domain-verification=ZUldy73ccT5PV5AM
google-site-verification=gOhi2YIRdS8RrLAQ82GKwjMW65keKoh76aZQsY6E-q8
miro-verification=ab894f51da2ea76d1e8fae73335bd7c2b992e678
MS=ms83924113
SKAT
skatteforvaltningen.azurewebsites.net
Skattestyrelsen
v=spf1 ip4:147.29.150.227 ip4:185.150.75.24 ip4:207.54.71.162 ip4:207.54.72.99 include:spf.protection.outlook.com include:_spf.anpdm.com -all
✉️ SPF
PolicyRecord (sktst.dk)
-all (hard fail) v=spf1 ip4:147.29.150.227 ip4:185.150.75.24 ip4:207.54.71.162 ip4:207.54.72.99 include:spf.protection.outlook.com include:_spf.anpdm.com -all
📨 DMARC
PolicyRecord (_dmarc.sktst.dk)
p=reject v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com
📬 MTA-STS432ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190601000000Z
max_age1209600s
Policy MXsktst-dk.t-v1.mx.microsoft
📈 TLSRPT
StatusReport address (rua)
✓ Enabled mailto:tlsrpt@in.mailhardener.com
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE4 records   208ms
Service / OwnerTypeCert association
SMTP _25._tcp.sktst-dk.t-v1.mx.microsoft DANE-TA · Full cert · SHA-256 EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.sktst-dk.t-v1.mx.microsoft DANE-EE · SPKI · SHA-256 803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.sktst-dk.t-v1.mx.microsoft DANE-TA · Full cert · SHA-256 C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.sktst-dk.t-v1.mx.microsoft DANE-EE · SPKI · SHA-256 54883CC5F1849331E6BF5002C3129D20…
🔐 DNSSEC305ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026097359
Primary NS (MNAME)df-ns01.skat.dk
Responsible (RNAME)hostmaster@csc.dk
Refresh14400s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
134ms
A
95ms
MX
82ms
AAAA
131ms
TXT
453ms
CAA
95ms
HTTPS
94ms
TLSA
208ms
SOA
0ms
MTA-STS
432ms
DNSSEC
305ms
SRV
163ms
Total
2380ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 13:28:41 2380ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-30 04:47:35 1673ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-28 18:29:47 1853ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-27 16:03:54 1233ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-25 20:51:12 867ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-25 03:21:44 12774ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-23 02:52:47 1600ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-22 02:52:16 7672ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-20 02:06:08 11251ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-19 00:52:16 10145ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-17 16:25:57 21842ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-16 02:22:39 2916ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-14 22:57:35 6079ms 6 NS 1 A 1 MX 🔒 Secure View
2026-08-13 22:10:45 5360ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-12 16:47:59 8417ms 6 NS 2 A 1 MX 🔒 Secure View
2026-08-11 15:32:10 13974ms 6 NS 1 A 1 MX 🔒 Secure View
2026-08-09 20:40:40 5396ms 6 NS 1 A 1 MX 🔒 Secure View
2026-08-08 06:13:45 1765ms 6 NS 1 A 1 MX 🔒 Secure View
2026-08-06 23:20:18 21049ms 6 NS 1 A 1 MX 🔒 Secure View
2026-08-01 15:29:34 4585ms 6 NS 1 A 1 MX 🔒 Secure View
2026-07-27 17:33:00 4026ms 6 NS 1 A 1 MX 🔒 Secure View
2026-07-26 16:24:15 9998ms 6 NS 1 A 1 MX 🔒 Secure View
2026-07-25 15:52:54 2784ms 6 NS 1 A 1 MX 🔒 Secure View
2026-07-24 15:37:11 1412ms 6 NS 1 A 1 MX 🔒 Secure View
2026-07-23 14:01:01 2001ms 6 NS 1 A 1 MX 🔒 Secure View
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