under37.dk

📜 Historical scan 2026-06-17 15:51:42 · ← 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 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 Records#

1 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 Records#

1 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 Records#

2 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

🧩 Web & zone#

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

www CNAME	under-37.odoo.com (all on odoo.com) → 34.38.210.129 (AS396982)
www vs bare domain	Different networks under37.dk: 104.21.31.3 172.67.174.65 2606:4700:3031::6815:1f03 2606:4700:3035::ac43:ae41 (AS13335) www.under37.dk: 34.38.210.129 (AS396982) (all like this)
Wildcard	No

🔎 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#

400ms

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

🏷️ SOA#

237ms

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#

WHOIS fetched 2026-10-05 06:28:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-08-18
Expires	2027-08-17 (298d)

📋 WHOIS#

⏱️ Lookup Timing#

180ms

249ms

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
2026-10-09 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	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 shown	3566ms	2 NS 1 A 1 MX	🔒 Secure