sntholding.dk
Last scanned: 2026-08-07 12:25:15  ·  1136ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
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 Records
🌍
No A records found
📧 MX Records5 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c03::1b		 rd-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 21600s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
15 21600s alt2.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 21600s alt3.aspmx.l.google.com 172.253.148.27
2a00:1450:4025:4401::1b		 yuskedq-in-f27.1e100.net
yuskedq-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 21600s alt4.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   224ms
TXT Record
google-site-verification=p_fBSc2286fXbhy8D4z_JGNmEAoD_TONIOgzLQAb8bs
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (sntholding.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.sntholding.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@sntholding.dk
📬 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)
🔐 DNSSEC206ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026080601
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
58ms
A
74ms
MX
72ms
AAAA
49ms
TXT
224ms
CAA
73ms
HTTPS
53ms
TLSA
91ms
SOA
0ms
MTA-STS
64ms
DNSSEC
206ms
SRV
91ms
Total
1136ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-07 12:25:15 1136ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-23 12:01:03 5696ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-09 06:14:15 1677ms 2 NS 0 A 5 MX 🔒 Secure View
2026-07-03 10:51:40 2537ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-28 22:37:55 741ms 2 NS 0 A 5 MX 🔒 Secure View
2026-06-17 13:18:27 707ms 2 NS 0 A 5 MX 🔒 Secure View
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