sanderu.dk
Last scanned: 2026-09-04 18:34:21  ·  778ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
151.236.218.48 600s mail.sanderu.dk AS63949 Akamai Connected Cloud 151.236.216.0/21 🇬🇧 United Kingdom London
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.sanderu.dk 151.236.218.48 mail.sanderu.dk AS63949 Akamai Connected Cloud
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover151.236.218.48
🔶 Autoconfig151.236.218.48
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   196ms
TXT Record
v=spf1 mx ip4:151.236.218.48 ~all
✉️ SPF
PolicyRecord (sanderu.dk)
~all (soft fail) v=spf1 mx ip4:151.236.218.48 ~all
📨 DMARC
PolicyRecord (_dmarc.sanderu.dk)
p=quarantine v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:c6yvwadg@ag.dmarcian-eu.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-08-09 10:56:28
FieldValue
RegistrarONE.COM A/S
Registered2005-03-17
Expires2027-03-31 (205d)
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
37ms
MX
44ms
AAAA
45ms
TXT
196ms
CAA
59ms
HTTPS
42ms
TLSA
300ms
SOA
0ms
MTA-STS
68ms
DNSSEC
70ms
SRV
72ms
Total
778ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 18:34:21 778ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 22:51:45 689ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 09:12:11 730ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 06:46:27 1018ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 10:48:38 873ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 04:13:03 4902ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 13:44:00 2804ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 13:00:48 743ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 11:58:28 8732ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 17:53:14 694ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 14:28:22 720ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 14:35:40 644ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 22:03:05 567ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 19:03:08 903ms 2 NS 1 A 1 MX 🔒 Secure View
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