rerf.us - dns.ninja

rerf.us

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2695🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dfe9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.149Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.233🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchristian.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cf7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A2803:f800:50::6ca2:c3f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchristian.ns.cloudflare.com
A2a06:98c1:50::ac40:23f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchristian.ns.cloudflare.com
A108.162.195.247🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A162.159.44.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A172.64.35.247🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
NSstella.ns.cloudflare.com
A2606:4700:50::a29f:269a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstella.ns.cloudflare.com
A2803:f800:50::6ca2:c29a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstella.ns.cloudflare.com
A2a06:98c1:50::ac40:229a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstella.ns.cloudflare.com
A108.162.194.154🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstella.ns.cloudflare.com
A162.159.38.154Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstella.ns.cloudflare.com
A172.64.34.154🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstella.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.149, 172.67.223.233
IPv6 hints2606:4700:3031::6815:2695, 2606:4700:3035::ac43:dfe9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=120, name=cloudflare-ech.com
SOAchristian.ns.cloudflare.comdns@cloudflare.com serial=2403796565

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1781359432
rank #664881 globally
rank #7212 in the tld

Same first word

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Similar names

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DNS History

13 records (6 active, 7 former)

202120222023202420252026NSchristian.ns.cloudflare.comstella.ns.cloudflare.comns07.domaincontrol.comns08.domaincontrol.comA104.21.38.149172.67.223.2332606:4700:3031::6815:26952606:4700:3035::ac43:dfe9107.180.116.16513.248.213.4515.197.225.1283.33.251.16876.223.67.189
●NSchristian.ns.cloudflare.com2026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
○NSns07.domaincontrol.com2020-03-28 → 2026-04-22 · 4 obs
● 2020-03-28 12:14:18
● 2026-04-22 19:43:28
○ 2026-06-10 23:24:16
○ 2026-06-13 14:22:16
○NSns08.domaincontrol.com2020-03-28 → 2026-04-22 · 4 obs
● 2020-03-28 12:14:18
● 2026-04-22 19:43:28
○ 2026-06-10 23:24:16
○ 2026-06-13 14:22:16
●NSstella.ns.cloudflare.com2026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
●A104.21.38.1492026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
○A107.180.116.1652020-03-28 → 2020-03-28 · 3 obs
● 2020-03-28 12:14:18
○ 2026-04-01 09:06:30
○ 2026-06-13 14:22:16
○A13.248.213.452026-04-01 → 2026-04-22 · 5 obs
○ 2020-03-28 12:14:18
● 2026-04-01 09:06:30
● 2026-04-22 19:43:28
○ 2026-06-10 23:24:16
○ 2026-06-13 14:22:16
○A15.197.225.1282026-04-01 → 2026-06-13 · 2 obs
○ 2026-04-01 09:06:30
○ 2026-06-13 14:22:16
●A172.67.223.2332026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
●A2606:4700:3031::6815:26952026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
●A2606:4700:3035::ac43:dfe92026-06-10 → 2026-06-13 · 3 obs
○ 2026-04-22 19:43:28
● 2026-06-10 23:24:16
● 2026-06-13 14:22:16
○A3.33.251.1682026-04-01 → 2026-06-13 · 2 obs
○ 2026-04-01 09:06:30
○ 2026-06-13 14:22:16
○A76.223.67.1892026-04-01 → 2026-04-22 · 5 obs
○ 2020-03-28 12:14:18
● 2026-04-01 09:06:30
● 2026-04-22 19:43:28
○ 2026-06-10 23:24:16
○ 2026-06-13 14:22:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, f.cctld.us, b.cctld.us, k.cctld.us...-
rerf.uschristian.ns.cloudflare.com, stella.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.247

NS records: christian.ns.cloudflare.com, stella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rerf.us (unsigned zone)

⏱️ Timing

Total: 413ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.233, 104.21.38.149
AAAA22606:4700:3031::6815:2695, 2606:4700:3035::ac43:dfe9
NS2christian.ns.cloudflare.com, stella.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1christian.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

rerf.us points to four IP numbers: 104.21.38.149, 172.67.223.233, 2606:4700:3031::6815:2695 and 2606:4700:3035::ac43:dfe9.

www.utr.tv, hnssjy.cn, vulva.cool plus two other host names have IP numbers in common with rerf.us.

Name Servers

rerf.us has two authoritative name servers — christian.ns.cloudflare.com and stella.ns.cloudflare.com.

The name server configuration of rerf.us is shared with other domains, for instance synthiam.com, freedombrowser.org, vikingstri.com.au and two others.

At least some of rerf.us's name servers are shared with other domains, for example foxvector.com, alejandroramirez.dev, niepekaj.pl and two more.

It is common for these name servers to be used in conjunction with the name servers john.ns.cloudflare.com, nelly.ns.cloudflare.com and bella.ns.cloudflare.com.

Hosts with 6 IP addresses each:

christian.ns.cloudflare.com points to 108.162.195.247, 162.159.44.247, 172.64.35.247 and 3 other IP addresses.

stella.ns.cloudflare.com points to 108.162.194.154, 162.159.38.154, 172.64.34.154 and 3 other IP addresses.