cfssl.com - dns.ninja

cfssl.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:528a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9e55🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.138Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.85🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSthomas.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bee🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A2803:f800:50::6ca2:c1ee🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthomas.ns.cloudflare.com
A2a06:98c1:50::ac40:21ee🇺🇸 Cloudflare2a06:98c1:50::/45
PTRthomas.ns.cloudflare.com
A108.162.193.238🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A172.64.33.238🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A173.245.59.238🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
NSvita.ns.cloudflare.com
A2606:4700:50::adf5:3aee🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvita.ns.cloudflare.com
A2803:f800:50::6ca2:c0ee🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvita.ns.cloudflare.com
A2a06:98c1:50::ac40:20ee🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvita.ns.cloudflare.com
A108.162.192.238🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvita.ns.cloudflare.com
A172.64.32.238🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvita.ns.cloudflare.com
A173.245.58.238🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvita.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.138, 172.67.158.85
IPv6 hints2606:4700:3032::6815:528a, 2606:4700:3033::ac43:9e55
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOAthomas.ns.cloudflare.comdns@cloudflare.com serial=2407100409

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783081416

Same first word

cfssl.com
cfssl.org
cfssl.net

Similar names

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lcssf.com
flscs.com
slcfs.ca
csfls.org
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slsfc.com
slcfs.com
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cssfl.com
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flscs.net
lsfsc.com
ssclf.cn
slcsf.org
sflcs.com
sfslc.net
sfcsl.org
sfscl.org
cssfl.org.uk
sfscl.info
ssfcl.com
ssclf.net
ssflc.com
fcsls.cz
cflss.info
fslsc.com
sfslc.com
lcsfs.com
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fsslc.org
flcss.com
sfcsl.com
scfls.com
scsfl.com
flcss.blogspot.com

DNS History

22 records (6 active, 16 former)

20162017201820192020202120222023202420252026NSthomas.ns.cloudflare.comvita.ns.cloudflare.comiris.ns.cloudflare.comwalt.ns.cloudflare.comA104.21.82.138172.67.158.852606:4700:3032::6815:528a2606:4700:3033::ac43:9e55104.24.196.3104.24.197.3104.28.20.94104.28.21.94188.114.96.0188.114.97.02400:cb00:2048:1::681c:145e2400:cb00:2048:1::681c:155e2606:4700:20::6818:c4032606:4700:20::6818:c5032606:4700:3035::6815:528a2606:4700:3037::ac43:9e552a06:98c1:3120::2a06:98c1:3121::
○NSiris.ns.cloudflare.com2015-06-18 → 2019-12-24 · 4 obs
● 2015-06-18 12:48:18
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
●NSthomas.ns.cloudflare.com2026-02-15 → 2026-07-03 · 3 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-07-03 12:46:32
●NSvita.ns.cloudflare.com2026-02-15 → 2026-07-03 · 3 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-07-03 12:46:32
○NSwalt.ns.cloudflare.com2015-06-18 → 2019-12-24 · 4 obs
● 2015-06-18 12:48:18
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
●A104.21.82.1382026-02-15 → 2026-07-03 · 6 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-02-15 20:14:04
○ 2026-03-02 00:42:52
● 2026-03-25 23:09:54
● 2026-07-03 12:46:32
○A104.24.196.32019-12-24 → 2019-12-24 · 4 obs
○ 2017-03-18 19:10:08
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
○A104.24.197.32019-12-24 → 2019-12-24 · 4 obs
○ 2017-03-18 19:10:08
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
○A104.28.20.942015-06-18 → 2017-03-18 · 4 obs
● 2015-06-18 12:48:18
● 2017-03-18 19:10:08
○ 2019-12-24 02:45:34
○ 2026-07-03 12:46:32
○A104.28.21.942015-06-18 → 2017-03-18 · 4 obs
● 2015-06-18 12:48:18
● 2017-03-18 19:10:08
○ 2019-12-24 02:45:34
○ 2026-07-03 12:46:32
●A172.67.158.852026-02-15 → 2026-07-03 · 6 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-02-15 20:14:04
○ 2026-03-02 00:42:52
● 2026-03-25 23:09:54
● 2026-07-03 12:46:32
○A188.114.96.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-15 20:14:04
● 2026-03-02 00:42:52
○ 2026-03-25 23:09:54
○ 2026-07-03 12:46:32
○A188.114.97.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-15 20:14:04
● 2026-03-02 00:42:52
○ 2026-03-25 23:09:54
○ 2026-07-03 12:46:32
○A2400:cb00:2048:1::681c:145e2015-06-18 → 2017-03-18 · 4 obs
● 2015-06-18 12:48:18
● 2017-03-18 19:10:08
○ 2019-12-24 02:45:34
○ 2026-07-03 12:46:32
○A2400:cb00:2048:1::681c:155e2015-06-18 → 2017-03-18 · 4 obs
● 2015-06-18 12:48:18
● 2017-03-18 19:10:08
○ 2019-12-24 02:45:34
○ 2026-07-03 12:46:32
○A2606:4700:20::6818:c4032019-12-24 → 2019-12-24 · 4 obs
○ 2017-03-18 19:10:08
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
○A2606:4700:20::6818:c5032019-12-24 → 2019-12-24 · 4 obs
○ 2017-03-18 19:10:08
● 2019-12-24 02:45:34
○ 2026-02-15 07:55:08
○ 2026-07-03 12:46:32
●A2606:4700:3032::6815:528a2026-07-01 → 2026-07-03 · 3 obs
○ 2026-05-13 10:37:26
● 2026-07-01 21:22:00
● 2026-07-03 12:46:32
●A2606:4700:3033::ac43:9e552026-07-01 → 2026-07-03 · 3 obs
○ 2026-05-13 10:37:26
● 2026-07-01 21:22:00
● 2026-07-03 12:46:32
○A2606:4700:3035::6815:528a2026-02-15 → 2026-05-13 · 8 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-02-15 20:14:04
○ 2026-03-02 00:42:52
● 2026-03-25 23:09:54
● 2026-05-13 10:37:26
○ 2026-07-01 21:22:00
○ 2026-07-03 12:46:32
○A2606:4700:3037::ac43:9e552026-02-15 → 2026-05-13 · 8 obs
○ 2019-12-24 02:45:34
● 2026-02-15 07:55:08
● 2026-02-15 20:14:04
○ 2026-03-02 00:42:52
● 2026-03-25 23:09:54
● 2026-05-13 10:37:26
○ 2026-07-01 21:22:00
○ 2026-07-03 12:46:32
○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-15 20:14:04
● 2026-03-02 00:42:52
○ 2026-03-25 23:09:54
○ 2026-07-03 12:46:32
○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-15 20:14:04
● 2026-03-02 00:42:52
○ 2026-03-25 23:09:54
○ 2026-07-03 12:46:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...-
cfssl.comvita.ns.cloudflare.com, thomas.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.238

NS records: vita.ns.cloudflare.com, thomas.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1944ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.82.138, 172.67.158.85
AAAA22606:4700:3032::6815:528a, 2606:4700:3033::ac43:9e55
NS2thomas.ns.cloudflare.com, vita.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1thomas.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (vita.ns.cloudflare.com, vita.ns.cloudflare.com, vita.ns.cloudflare.com...)

Analysis

IP Addresses

cfssl.com has four IP addresses: 104.21.82.138, 172.67.158.85, 2606:4700:3032::6815:528a and 2606:4700:3033::ac43:9e55.

gamestracking.com, bepquangminh.vn, china-travel-tips.com and two other host names share IP numbers with cfssl.com.

Name Servers

cfssl.com is delegated to two name servers: thomas.ns.cloudflare.com and vita.ns.cloudflare.com.

cfssl.com uses the same name servers as several other domains — among them yunjiasudns.net, cloudflare.my, romanianproperties.com and two more.

cfssl.com has at least partial name server overlap with other domains, such as codensconce.com, agenciamillennium.com, retroplate.com and two others.

It is common to see these name servers used together with name servers wally.ns.cloudflare.com and adrian.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

thomas.ns.cloudflare.com resolves to 108.162.193.238, 172.64.33.238, 173.245.59.238 and 3 other IP addresses.

vita.ns.cloudflare.com resolves to 108.162.192.238, 172.64.32.238, 173.245.58.238 and 3 other IP addresses.