under37.dk DNS records

🖥️ Nameservers2 records 180ms

Nameserver	IP addresses	PTR	ASN / 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 249ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	—	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 162ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	under37-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 52.101.68.12 52.101.68.15 52.101.68.36 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 368ms

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

✉️ SPF

Policy	Record (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

🔗 TLSA / DANE

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

🔐 DNSSEC400ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA237ms

Field	Value
Serial	2026052701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

180ms

A

249ms

MX

162ms

AAAA

201ms

TXT

368ms

CAA

232ms

HTTPS

265ms

TLSA

1192ms

SOA

237ms

MTA-STS

259ms

DNSSEC

400ms

SRV

0ms

Total

3566ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-07 12:42:15	2202ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 00:05:34	8917ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 23:06:40	5558ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 20:43:43	986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 17:17:35	1404ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 02:21:52	8960ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:36:58	1538ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 17:36:40	668ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:51:42	3566ms	2 NS 1 A 1 MX	🔒 Secure	View