4g.dk

Records from scan: 2026-09-30 11:01:00 · 1171ms total · last checked 2026-10-16 02:33 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4g.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 18 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx20.check4spam.dk, mx30.check4spam.dk and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	3600s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
10	3600s	mx40.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 51ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	100	1	443	mail.hostingonline.dk

📝 TXT Records#

2 records 132ms

TXT Record
MS=ms87998010
v=spf1 ip4:89.233.6.150 ip4:89.233.6.130 include:spf.check4spam.dk ~all

✉️ SPF#

Policy	Record (4g.dk)
~all (soft fail)	v=spf1 ip4:89.233.6.150 ip4:89.233.6.130 include:spf.check4spam.dk ~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#

checked 2026-10-16 02:33:53

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 4g.dk: 93.191.155.240 (AS48854) www.4g.dk: 93.191.155.240 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 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#

72ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 00:59:30

Field	Value
Registrar	CURANET A/S
Registered	2000-02-18
Expires	2028-03-31 (531d)

🔗 Same registrant#

1 domain

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
allbot.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

30ms

41ms

AAAA

31ms

TXT

132ms

CAA

42ms

HTTPS

34ms

TLSA

223ms

SOA

24ms

MTA-STS

47ms

DNSSEC

72ms

SRV

51ms

Total

1171ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:01:00 shown	1171ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-01 23:54:53	659ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 12:58:36	1408ms	2 NS 1 A 3 MX	🔒 Secure