bytteguiden.dk
Last scanned: 2026-06-27 18:30:59  ·  1704ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   203ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   206ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.48.142.40 3600s — AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Havdrup
📧 MX Records1 records   204ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s bytteguiden-dk.mail.protection.outlook.com 2a01:111:f403:ca04::e
2a01:111:f403:ca09::4
2a01:111:f403:ca09::e
2a01:111:f403:ca09::f		 mail-db8pr02cu00106.inbound.protection.outlook.com
mail-am0pr04cu00504.inbound.protection.outlook.com
mail-am7pr05cu00206.inbound.protection.outlook.com
mail-am7pr05cu00307.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 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
📝 TXT Records1 records   312ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (bytteguiden.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC288ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA212ms
FieldValue
Serial2022020304
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
203ms
A
206ms
MX
204ms
AAAA
183ms
TXT
312ms
CAA
219ms
HTTPS
196ms
TLSA
421ms
SOA
212ms
MTA-STS
241ms
DNSSEC
288ms
SRV
218ms
Total
1704ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 18:30:59 1704ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 02:31:46 930ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 03:23:42 955ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:40:42 1716ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:31:32 4034ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:31:03 851ms 4 NS 1 A 1 MX 🔒 Secure View
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