dfsbyg.dk
Last scanned: 2026-09-01 12:28:30  ·  602ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.135.42 600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 🇺🇸 United States —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.154.152
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   66ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records1 records   240ms
TXT Record
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:relay.kinstamailservice.com include:mailgun.org ~all
✉️ SPF
PolicyRecord (dfsbyg.dk)
~all (soft fail) v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:relay.kinstamailservice.com include:mailgun.org ~all
📨 DMARC
PolicyRecord (_dmarc.dfsbyg.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:e6280fea@dmarc.mailgun.org,mailto:74a1716f@inbox.ondmarc.com; ruf=mailto:e6280fea@dmarc.mailgun.org,mailto:74a1716f@inbox.ondmarc.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.dfsbyg.dk dfsbyg.dk.kinstavalidation.app
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081304
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
51ms
MX
46ms
AAAA
40ms
TXT
240ms
CAA
42ms
HTTPS
42ms
TLSA
57ms
SOA
0ms
MTA-STS
65ms
DNSSEC
84ms
SRV
66ms
Total
602ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 12:28:30 602ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 13:38:13 521ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-13 21:41:16 3372ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-04 22:01:07 1440ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-25 10:04:48 1030ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 02:35:33 546ms 2 NS 1 A 0 MX 🔒 Secure View
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