ns.rref.su - robtex.com

ns.rref.su

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:497b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:be06🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.123Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.6🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.123, 172.67.190.6
IPv6 hints2606:4700:3032::6815:497b, 2606:4700:3033::ac43:be06
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com

rref.su

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:497b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:be06🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.123Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.6🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjustin.ns.cloudflare.com ⭐
NSkallie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.123, 172.67.190.6
IPv6 hints2606:4700:3032::6815:497b, 2606:4700:3033::ac43:be06
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOAjustin.ns.cloudflare.comdns@cloudflare.com serial=2409117413

Previously NS for

rref.su

Same first word

ns.mk
ns.cc
ns.shop.pl
ns.dk
ns.zp.ua
ns.co.nz
ns.money
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ns.tr
ns.gov.mn
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ns.net.mv
ns.ai
ns.edu.pl
ns.k12.ut.us
ns.dyndns.org
ns.net.nz
ns.domains
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ns.co.at
ns.cz
ns.cn
ns.gov.ru
ns.kharkov.ua
ns.delivery
ns.hk
ns.s3.amazonaws.com
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ns.onl
ns.express
ns.hs.kr
ns.in.th
ns.uk
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ns.ck.ua
ns.riik.ee
ns.tc
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ns.com.mv
ns.gov.mg
ns.eu
ns.sa
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ns.com.sg
ns.su
ns.services
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ns.vg
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ns.com.tr
ns.team
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ns.no
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ns.potager.org
ns.farm
ns.edu.me
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ns.gov.sg
ns.in.ua
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ns.nikolaev.ua
ns.kz
ns.ie
ns.kg
ns.free
ns.te.ua
ns.sb
ns.ac.rs
ns.gov.gu
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ns.taxi
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ns.mv
ns.gouv.sn
ns.gov.mv
ns.software
ns.wtf
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ns.co.th
ns.sg

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sn.nl
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DNS History

4 records (4 active, 0 former)

A104.21.73.123172.67.190.62606:4700:3032::6815:497b2606:4700:3033::ac43:be06
●A104.21.73.1232026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 08:16:28
● 2026-07-14 08:16:30
●A172.67.190.62026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 08:16:28
● 2026-07-14 08:16:30
●A2606:4700:3032::6815:497b2026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 08:16:28
● 2026-07-14 08:16:30
●A2606:4700:3033::ac43:be062026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 08:16:28
● 2026-07-14 08:16:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sue.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net...10 records
rref.sukallie.ns.cloudflare.com, justin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.187

NS records: kallie.ns.cloudflare.com, justin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rref.su (unsigned zone)

⏱️ Timing

Total: 2007ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.123, 172.67.190.6
AAAA22606:4700:3032::6815:497b, 2606:4700:3033::ac43:be06
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

IP Addresses

ns.rref.su has four IP addresses: 104.21.73.123, 172.67.190.6, 2606:4700:3032::6815:497b and 2606:4700:3033::ac43:be06.

jdmjcf.com, nordcrext.com, www.word2mouth.com and two other host names share IP numbers with ns.rref.su.