feynman.com - dns.ninja

feynman.com

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:aae1πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::6815:1c95πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.28.149Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.170.225πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSmichael.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A2803:f800:50::6ca2:c30cπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmichael.ns.cloudflare.com
A2a06:98c1:50::ac40:230cπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRmichael.ns.cloudflare.com
A108.162.195.12πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A162.159.44.12Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
A172.64.35.12πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichael.ns.cloudflare.com
NSthea.ns.cloudflare.com
A2606:4700:50::a29f:26f7πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A2803:f800:50::6ca2:c2f7πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthea.ns.cloudflare.com
A2a06:98c1:50::ac40:22f7πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRthea.ns.cloudflare.com
A108.162.194.247πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A162.159.38.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A172.64.34.247πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
MX_dc-mx.2cdb796b7b15.feynman.com ⭐
A67.222.31.221πŸ‡ΊπŸ‡Έ PRIVATESYSTEMS67.222.24.0/21 PrivateSystems Networks TX
PTRcp41-ga.privatesystems.net
TXTv=spf1 ip4:67.222.31.221 +a +mx ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.28.149, 172.67.170.225
IPv6 hints2606:4700:3036::ac43:aae1, 2606:4700:3037::6815:1c95
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOAmichael.ns.cloudflare.comdns@cloudflare.com serial=2411275246

com

rank #308588 globally
rank #127383 in the tld
WOT: SAFE (77/100)
πŸ“ˆ Tranco rank: #968,231

Previously MX for

Subdomains

Same first word

Similar names

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSmichael.ns.cloudflare.comthea.ns.cloudflare.comns1.asoshared.comns2.asoshared.comns69.domaincontrol.comns70.domaincontrol.comMX_dc-mx.2cdb796b7b15.feynman.comfeynman.commailstore1.secureserver.netsmtp.secureserver.netA104.21.28.149172.67.170.2252606:4700:3036::ac43:aae12606:4700:3037::6815:1c95143.95.43.582606:4700:3030::ac43:aae12606:4700:3033::6815:1c9550.63.202.15
●NSmichael.ns.cloudflare.com2026-02-14 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
● 2026-08-06 05:50:30
β—‹NSns1.asoshared.com2016-03-19 β†’ 2017-05-20 Β· 5 obs
β—‹ 2015-12-22 13:34:16
● 2016-03-19 02:56:04
● 2017-05-20 15:56:14
β—‹ 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
β—‹NSns2.asoshared.com2016-03-19 β†’ 2017-05-20 Β· 5 obs
β—‹ 2015-12-22 13:34:16
● 2016-03-19 02:56:04
● 2017-05-20 15:56:14
β—‹ 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
β—‹NSns69.domaincontrol.com2015-06-10 β†’ 2015-12-22 Β· 4 obs
● 2015-06-10 04:18:30
● 2015-12-22 13:34:16
β—‹ 2016-03-19 02:56:04
β—‹ 2026-08-06 05:50:30
β—‹NSns70.domaincontrol.com2015-06-10 β†’ 2015-12-22 Β· 4 obs
● 2015-06-10 04:18:30
● 2015-12-22 13:34:16
β—‹ 2016-03-19 02:56:04
β—‹ 2026-08-06 05:50:30
●NSthea.ns.cloudflare.com2026-02-14 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
● 2026-08-06 05:50:30
●MX_dc-mx.2cdb796b7b15.feynman.com2026-02-14 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
● 2026-08-06 05:50:30
β—‹MXfeynman.com2016-03-19 β†’ 2017-05-20 Β· 5 obs
β—‹ 2015-12-22 13:34:16
● 2016-03-19 02:56:04
● 2017-05-20 15:56:14
β—‹ 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
β—‹MXmailstore1.secureserver.net2015-06-10 β†’ 2015-12-22 Β· 4 obs
● 2015-06-10 04:18:30
● 2015-12-22 13:34:16
β—‹ 2016-03-19 02:56:04
β—‹ 2026-08-06 05:50:30
β—‹MXsmtp.secureserver.net2015-06-10 β†’ 2015-12-22 Β· 4 obs
● 2015-06-10 04:18:30
● 2015-12-22 13:34:16
β—‹ 2016-03-19 02:56:04
β—‹ 2026-08-06 05:50:30
●A104.21.28.1492026-02-14 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
● 2026-08-06 05:50:30
β—‹A143.95.43.582016-03-19 β†’ 2017-05-20 Β· 5 obs
β—‹ 2015-12-22 13:34:16
● 2016-03-19 02:56:04
● 2017-05-20 15:56:14
β—‹ 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
●A172.67.170.2252026-02-14 β†’ 2026-08-06 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
● 2026-08-06 05:50:30
β—‹A2606:4700:3030::ac43:aae12026-02-14 β†’ 2026-02-14 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
β—‹A2606:4700:3033::6815:1c952026-02-14 β†’ 2026-02-14 Β· 3 obs
β—‹ 2017-05-20 15:56:14
● 2026-02-14 21:35:48
β—‹ 2026-08-06 05:50:30
●A2606:4700:3036::ac43:aae12026-08-06 β†’ 2026-08-06 Β· 2 obs
β—‹ 2026-02-14 21:35:48
● 2026-08-06 05:50:30
●A2606:4700:3037::6815:1c952026-08-06 β†’ 2026-08-06 Β· 2 obs
β—‹ 2026-02-14 21:35:48
● 2026-08-06 05:50:30
β—‹A50.63.202.152015-06-10 β†’ 2015-12-22 Β· 4 obs
● 2015-06-10 04:18:30
● 2015-12-22 13:34:16
β—‹ 2016-03-19 02:56:04
β—‹ 2026-08-06 05:50:30

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...-
feynman.comthea.ns.cloudflare.com, michael.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.194.247

NS records: thea.ns.cloudflare.com, michael.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for feynman.com (unsigned zone)

⏱️ Timing

Total: 248ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.28.149, 172.67.170.225
AAAA22606:4700:3036::ac43:aae1, 2606:4700:3037::6815:1c95
NS2michael.ns.cloudflare.com, thea.ns.cloudflare.com
MX1_dc-mx.2cdb796b7b15.feynman.com (pri: 0)
TXT1v=spf1 ip4:67.222.31.221 +a +mx ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1michael.ns.cloudflare.com dns.cloudflare

πŸ“Œ Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.feynman.com is a subdomain of feynman.com.

IP Addresses

feynman.com directs to four IP numbers, which are 104.21.28.149, 172.67.170.225, 2606:4700:3036::ac43:aae1 and 2606:4700:3037::6815:1c95.

Two other host names, along with exeuweb.com, turbowinscasinos-de.com and elmogaz.com, also share IP numbers with feynman.com.

Name Servers

feynman.com has two authoritative name servers β€” michael.ns.cloudflare.com and thea.ns.cloudflare.com.

feynman.com shares its NS records with other domains, for example perfectwisdomteeth.com, mobilku.com, ontrags.com and two others.

The name servers of feynman.com overlap at least partially with those of other domains β€” among them duke.com.gr, us.absolute.com, aliensarerealcoin.lat and two more.

The name servers matias.ns.cloudflare.com, summer.ns.cloudflare.com, meiling.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

michael.ns.cloudflare.com points to 108.162.195.12, 162.159.44.12, 172.64.35.12 and 3 other IP addresses.

thea.ns.cloudflare.com points to 108.162.194.247, 162.159.38.247, 172.64.34.247 and 3 other IP addresses.

Mail Servers

The sole mail server for feynman.com is _dc-mx.2cdb796b7b15.feynman.com.

_dc-mx.2cdb796b7b15.feynman.com points to one IP number β€” 67.222.31.221.