3mail.dk

📜 Historical scan 2026-10-04 02:40:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3mail.dk is a .dk domain served by 5 nameservers (nordic1.dnsnode.net, ns.hi3gaccess.se, ns2.hi3gaccess.se and 2 more). It was registered on 3 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp1.tre.se. The zone is not DNSSEC-signed, 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#

5 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
nordic1.dnsnode.net	194.58.192.32 2a01:3f1:32::53	nordic1.dnsnode.net nordic1.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB
ns.hi3gaccess.se	2a02:aa0::53 80.251.192.244	ns.hi3gaccess.se ns.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
ns2.hi3gaccess.se	2a02:aa0::54 80.251.192.245	ns2.hi3gaccess.se ns2.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
nsp.dnsnode.net	194.58.198.32 2a01:3f1:3032::53	nsp.dnsnode.net nsp.dnsnode.net	AS56908 Netnod AB AS56908 Netnod AB
nsu.dnsnode.net	185.42.137.98 2a01:3f0:400::32	nsu.dnsnode.net nsu.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	smtp1.tre.se	2a02:aa0:0:1c::5 80.251.201.52	smtp1.tre.se smtp1.tre.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 203ms

TXT Record
v=spf1 a mx ip4:80.251.192.64/28 ~all

✉️ SPF#

Policy	Record (3mail.dk)
~all (soft fail)	v=spf1 a mx ip4:80.251.192.64/28 ~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 2026-10-16 01:00:44

www	NXDOMAIN
www vs bare domain	Neither resolves 3mail.dk: no address www.3mail.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

66ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns.hi3gaccess.se
Responsible (RNAME)	hostmaster@tre.se
Refresh	7200s
Retry	1800s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 17:36:28

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2002-04-03
Expires	2027-06-30 (256d)

🔗 Same registrant#

13 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
3.dk	CSC Digital Brand Service, Inc
3business.dk	CSC Digital Brand Service, Inc
3iot.dk	CSC Digital Brand Service, Inc
3shop.dk	CSC Digital Brand Service, Inc
3view.dk	CSC Digital Brand Service, Inc
3webshop.dk	CSC Digital Brand Service, Inc
business3.dk	CSC Digital Brand Service, Inc
fremtidensbusiness.dk	CSC Digital Brand Service, Inc
hi3gdenmark.dk	CSC Digital Brand Service, Inc
mit3.dk	CSC Digital Brand Service, Inc
mitoister.dk	CSC Digital Brand Service, Inc
oister.dk	CSC Digital Brand Service, Inc
tre.dk	CSC Digital Brand Service, Inc

📋 WHOIS#

⏱️ Lookup Timing#

35ms

53ms

45ms

AAAA

42ms

TXT

203ms

CAA

35ms

HTTPS

43ms

TLSA

86ms

SOA

66ms

MTA-STS

67ms

DNSSEC

98ms

SRV

65ms

Total

1109ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:00:44	498ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-15 00:34:10	700ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-13 23:56:26	1981ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-11 17:23:37	471ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-10 15:12:29	2252ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-09 10:19:53	2660ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-07 09:15:44	482ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-06 03:05:58	1087ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-04 02:40:14 shown	1109ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-03 02:38:52	471ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-02 02:34:36	2616ms	5 NS 0 A 1 MX	🔓 Insecure
2026-10-01 02:20:49	992ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-29 06:01:05	1766ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-28 05:38:50	710ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-25 04:53:09	9902ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-24 16:00:18	563ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-23 14:49:25	577ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-19 08:09:41	1345ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-15 22:38:39	1871ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-13 04:59:38	1789ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-06 04:15:35	1541ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-01 00:28:55	1040ms	5 NS 0 A 1 MX	🔓 Insecure
2026-08-30 12:30:19	1879ms	5 NS 0 A 1 MX	🔓 Insecure
2026-08-29 07:23:44	1406ms	5 NS 0 A 1 MX	🔓 Insecure
2026-08-28 00:25:25	1324ms	5 NS 0 A 1 MX	🔓 Insecure