guide2know.dk
Last scanned: 2026-08-25 19:00:10  ·  793ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   45ms
🌍 A Records
🌍
No A records found
📧 MX Records1 records   44ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   73ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records8 records   221ms
TXT Record
_globalsign-domain-verification=2YQjmwKNFFiIRKhNlSoULu21MSbPdOnqNDi2-oVsQu
_globalsign-domain-verification=b2rfMjyUZdlm6t34jiv7w8wFQiJ-SAFINerfy6RwgL
dCeNZ5869TKw3fC+E5M3CY0r7H6EbgFQpzsX0ULKEW8=
google-site-verification=-tZHU--aUIW9EOdBkXmdNPgQHXmeHKcHbbiGvCy_MOQ
google-site-verification=ss9w28Pvxs8MIHci6ghHJamxDMQcKjlBhyXWYzUG1Ko
lm7g6kb5r526x9r63fr2shv4b56fg2tv
MS=ms18459439
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.hostnordic.com include:spf.topdesk.net -all
✉️ SPF
📨 DMARC
PolicyRecord (_dmarc.guide2know.dk)
p=reject v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com;
📬 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
CNAME _acme-challenge.guide2know.dk 5pri6bcvz0y8i589qk.fastly-validations.com
TXT 5pri6bcvz0y8i589qk.fastly-validations.com OihEHMu3Bj_xN27bBvYRb0WoISiffReQxyC4gtGwsCc
TXT 5pri6bcvz0y8i589qk.fastly-validations.com QtOtnJHEFJz_Vek5Xt-Xh5NAOHF7j5FnlbyOCfcHhcI
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial3
Primary NS (MNAME)ns1-08.azure-dns.com
Responsible (RNAME)hostmaster@gyldendal.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
53ms
MX
44ms
AAAA
42ms
TXT
221ms
CAA
56ms
HTTPS
37ms
TLSA
177ms
SOA
0ms
MTA-STS
68ms
DNSSEC
91ms
SRV
73ms
Total
793ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 19:00:10 793ms 4 NS 0 A 1 MX 🔒 Secure View
2026-06-19 15:26:40 858ms 4 NS 0 A 1 MX 🔒 Secure View
2026-06-17 10:06:29 927ms 4 NS 0 A 1 MX 🔒 Secure View
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