tref.dk - dns.ninja

tref.dk

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cf6a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4567🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.103Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.106🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlisa.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlisa.ns.cloudflare.com
A108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
NSmax.ns.cloudflare.com
A2606:4700:58::adf5:3b84🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmax.ns.cloudflare.com
A2803:f800:50::6ca2:c184🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmax.ns.cloudflare.com
A2a06:98c1:50::ac40:2184🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmax.ns.cloudflare.com
A108.162.193.132🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.132🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.132🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.103, 172.67.207.106
IPv6 hints2606:4700:3030::ac43:cf6a, 2606:4700:3034::6815:4567
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOAlisa.ns.cloudflare.comdns@cloudflare.com serial=2405920041

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1782801541localtime Tue Jun 30 08:39:01 2026gmtime Tue Ju...
SOAb.nic.dktech@punktum.dk serial=1782801541

Same first word

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reft.pro

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSlisa.ns.cloudflare.commax.ns.cloudflare.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkA104.21.69.103172.67.207.1062606:4700:3030::ac43:cf6a2606:4700:3034::6815:4567185.10.10.802001:67c:3c0:12::532606:4700:3036::6815:456791.221.196.253
●NSlisa.ns.cloudflare.com2026-02-25 → 2026-06-30 · 3 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-30 06:41:20
●NSmax.ns.cloudflare.com2026-02-25 → 2026-06-30 · 3 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-30 06:41:20
○NSns1.gratisdns.dk2015-06-19 → 2021-03-29 · 4 obs
● 2015-06-19 12:10:26
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
○NSns2.gratisdns.dk2015-06-19 → 2021-03-29 · 4 obs
● 2015-06-19 12:10:26
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
○NSns3.gratisdns.dk2015-06-19 → 2021-03-29 · 4 obs
● 2015-06-19 12:10:26
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
○NSns4.gratisdns.dk2015-06-19 → 2021-03-29 · 4 obs
● 2015-06-19 12:10:26
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
○NSns5.gratisdns.dk2015-06-19 → 2021-03-29 · 4 obs
● 2015-06-19 12:10:26
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
●A104.21.69.1032026-02-25 → 2026-06-30 · 3 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-30 06:41:20
●A172.67.207.1062026-02-25 → 2026-06-30 · 3 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-30 06:41:20
○A185.10.10.802021-03-29 → 2021-03-29 · 4 obs
○ 2017-08-08 00:06:22
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
○A2001:67c:3c0:12::532016-01-31 → 2021-03-29 · 4 obs
● 2016-01-31 19:50:14
● 2021-03-29 07:56:58
○ 2026-02-25 02:10:28
○ 2026-06-30 06:41:20
●A2606:4700:3030::ac43:cf6a2026-02-25 → 2026-06-30 · 3 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-30 06:41:20
●A2606:4700:3034::6815:45672026-06-26 → 2026-06-30 · 3 obs
○ 2026-06-16 10:55:08
● 2026-06-26 19:39:42
● 2026-06-30 06:41:20
○A2606:4700:3036::6815:45672026-02-25 → 2026-06-16 · 5 obs
○ 2021-03-29 07:56:58
● 2026-02-25 02:10:28
● 2026-06-16 10:55:08
○ 2026-06-26 19:39:42
○ 2026-06-30 06:41:20
○A91.221.196.2532016-01-31 → 2017-08-08 · 4 obs
● 2016-01-31 19:50:14
● 2017-08-08 00:06:22
○ 2021-03-29 07:56:58
○ 2026-06-30 06:41:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
tref.dklisa.ns.cloudflare.com, max.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.132

NS records: lisa.ns.cloudflare.com, max.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tref.dk (unsigned zone)

⏱️ Timing

Total: 1071ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.69.103, 172.67.207.106
AAAA22606:4700:3034::6815:4567, 2606:4700:3030::ac43:cf6a
NS2lisa.ns.cloudflare.com, max.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lisa.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

tref.dk points to the four IP addresses 104.21.69.103, 172.67.207.106, 2606:4700:3030::ac43:cf6a and 2606:4700:3034::6815:4567.

www.megaimpex.ae, reintl.net, www.rjgbjsrg.info and two other host names share IP numbers with tref.dk.

Name Servers

tref.dk has two authoritative name servers — lisa.ns.cloudflare.com and max.ns.cloudflare.com.

tref.dk uses the same name servers as several other domains — among them imrle.com, xllgz.com, alzint.org and two more.

At least some of tref.dk's name servers are shared with other domains, for example coblake.com, lokicasino.cc, justinku.com and two more.

These name servers tend to be deployed in combination with the name servers ken.ns.cloudflare.com and garrett.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

lisa.ns.cloudflare.com points to 108.162.192.131, 172.64.32.131, 173.245.58.131 and 3 other IP addresses.

max.ns.cloudflare.com points to 108.162.193.132, 172.64.33.132, 173.245.59.132 and 3 other IP addresses.