symbion.dk
Last scanned: 2026-08-29 01:45:12  ·  1005ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   72ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
141.193.213.10 600s — AS209242 Cloudflare London, LLC 141.193.213.0/24 🇺🇸 United States —
📧 MX Records1 records   94ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mailgw.sbshosting.dk 5.57.55.126 mailgw.sbshosting.dk AS198608 Symbion A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover5.57.51.31
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records4 records   241ms
TXT Record
1password-site-verification=TL4UQVISDFFEVGUGCGR5HXJHFA
google-site-verification=riaF5jBkhhFhv8anc7q_1_OcQpYKsmKwZp1gWZCr7Wc
MS=E45DAE216553AE65E4DE46675786AE0B1CE3AF25
v=spf1 a include:spf.symbion.dk include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:spf.sbshosting.dk -all
✉️ SPF
PolicyRecord (symbion.dk)
-all (hard fail) v=spf1 a include:spf.symbion.dk include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:spf.sbshosting.dk -all
📨 DMARC
PolicyRecord (_dmarc.symbion.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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)
🔐 DNSSEC192ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
72ms
A
56ms
MX
94ms
AAAA
87ms
TXT
241ms
CAA
94ms
HTTPS
86ms
TLSA
169ms
SOA
0ms
MTA-STS
112ms
DNSSEC
192ms
SRV
123ms
Total
1005ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 01:45:12 1005ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 23:23:41 588ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 18:31:00 977ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 06:04:48 935ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:08:41 522ms 2 NS 1 A 1 MX ❓ Unknown View
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