under37.dk

📜 Historical scan 2026-07-19 17:17:35  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

under37.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by under37-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   94ms

🌍 A Records#

1 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 MX Records#

1 records   86ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.253.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   375ms
TXT Record
MS=ms56609066
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (under37.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 10:52:49

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

209ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026071902
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 06:28:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2022-08-18
Expires2027-08-17 (303d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
94ms
A
76ms
MX
86ms
AAAA
92ms
TXT
375ms
CAA
90ms
HTTPS
96ms
TLSA
272ms
SOA
0ms
MTA-STS
140ms
DNSSEC
209ms
SRV
134ms
Total
1404ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 10:52:49 1583ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-05 05:57:15 2568ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 04:09:04 1782ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-07 12:42:15 2202ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-28 00:05:34 8917ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-25 23:06:40 5558ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-22 20:43:43 986ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-19 17:17:35 shown 1404ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-15 02:21:52 8960ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-27 00:36:58 1538ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 17:36:40 668ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 15:51:42 3566ms 2 NS 1 A 1 MX 🔒 Secure
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