perf.com - dns.ninja

perf.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:2288🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a186🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.34.136Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.134🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamit.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamit.ns.cloudflare.com
A2803:f800:50::6ca2:c13f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamit.ns.cloudflare.com
A2a06:98c1:50::ac40:213f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamit.ns.cloudflare.com
A108.162.193.63🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamit.ns.cloudflare.com
A172.64.33.63🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamit.ns.cloudflare.com
A173.245.59.63🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamit.ns.cloudflare.com
NSsue.ns.cloudflare.com
A2606:4700:50::adf5:3a91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsue.ns.cloudflare.com
A2803:f800:50::6ca2:c091🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsue.ns.cloudflare.com
A2a06:98c1:50::ac40:2091🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsue.ns.cloudflare.com
A108.162.192.145🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsue.ns.cloudflare.com
A172.64.32.145🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsue.ns.cloudflare.com
A173.245.58.145🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsue.ns.cloudflare.com
MXus-smtp-inbound-1.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTknowbe4-site-verification=97a4991241d7c6c7601ecb240643ede7
TXTv=spf1 ip4:72.250.203.183 ip4:72.250.203.184 ip4:216.117.56.183 ip4:216.117.5...
TXTzscaler-verification-262283-23012026-6vki3d13pS
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.34.136, 172.67.161.134
IPv6 hints2606:4700:3037::6815:2288, 2606:4700:3037::ac43:a186
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOAamit.ns.cloudflare.comdns@cloudflare.com serial=2407079887

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=1783990442
WOT: SAFE (61/100)

PTR for

245.83.86.70.in-addr.arpa

Subdomains

www.perf.com

Same first word

perf.com
perf.io
perf.compare
perf.coop
perf.net
perf.ch
perf.nu
perf.guru
perf.email
perf.ru
perf.ly
perf.link
perf.cloud
perf.expert
perf.run
perf.solutions
perf.kasserver.com
perf.co
perf.pro
perf.bar
perf.us
perf.su
perf.tips
perf.eu
perf.de
perf.fr
perf.media
perf.cz
perf.pl
perf.systems
perf.dk

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prfe.org
erfp.us
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efrp.cn
fper.com
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eprf.org

DNS History

21 records (8 active, 13 former)

20162017201820192020202120222023202420252026NSamit.ns.cloudflare.comsue.ns.cloudflare.comns0.directnic.comns1.directnic.comMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comeast.smtp.exch031.serverdata.netperf-com.mail.protection.outlook.comwest.smtp.exch031.serverdata.netA104.21.34.136172.67.161.1342606:4700:3037::6815:22882606:4700:3037::ac43:a18612.5.64.90181.224.147.252188.114.96.0188.114.97.02606:4700:3032::6815:22882a06:98c1:3120::2a06:98c1:3121::37.60.247.117
●NSamit.ns.cloudflare.com2026-02-14 → 2026-07-14 · 3 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
● 2026-07-14 01:23:00
○NSns0.directnic.com2015-08-15 → 2017-01-20 · 4 obs
● 2015-08-15 01:23:56
● 2017-01-20 00:04:44
○ 2026-02-14 21:30:10
○ 2026-07-14 01:23:00
○NSns1.directnic.com2015-08-15 → 2017-01-20 · 4 obs
● 2015-08-15 01:23:56
● 2017-01-20 00:04:44
○ 2026-02-14 21:30:10
○ 2026-07-14 01:23:00
●NSsue.ns.cloudflare.com2026-02-14 → 2026-07-14 · 3 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
● 2026-07-14 01:23:00
○MXeast.smtp.exch031.serverdata.net2015-08-15 → 2016-04-12 · 4 obs
● 2015-08-15 01:23:56
● 2016-04-12 04:36:56
○ 2016-04-23 01:41:56
○ 2026-07-14 01:23:00
○MXperf-com.mail.protection.outlook.com2016-04-23 → 2017-01-20 · 5 obs
○ 2016-04-12 04:36:56
● 2016-04-23 01:41:56
● 2017-01-20 00:04:44
○ 2026-02-14 21:30:10
○ 2026-07-14 01:23:00
●MXus-smtp-inbound-1.mimecast.com2026-02-14 → 2026-07-14 · 3 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
● 2026-07-14 01:23:00
●MXus-smtp-inbound-2.mimecast.com2026-02-14 → 2026-07-14 · 3 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
● 2026-07-14 01:23:00
○MXwest.smtp.exch031.serverdata.net2015-08-15 → 2016-04-12 · 4 obs
● 2015-08-15 01:23:56
● 2016-04-12 04:36:56
○ 2016-04-23 01:41:56
○ 2026-07-14 01:23:00
●A104.21.34.1362026-02-14 → 2026-07-14 · 7 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
○ 2026-02-21 05:27:22
● 2026-02-27 13:29:46
● 2026-06-13 19:48:58
○ 2026-07-03 19:23:56
● 2026-07-14 01:23:00
○A12.5.64.902016-04-04 → 2017-01-20 · 5 obs
○ 2016-03-21 20:05:26
● 2016-04-04 05:02:34
● 2017-01-20 00:04:44
○ 2026-02-14 21:30:10
○ 2026-07-14 01:23:00
●A172.67.161.1342026-02-14 → 2026-07-14 · 7 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
○ 2026-02-21 05:27:22
● 2026-02-27 13:29:46
● 2026-06-13 19:48:58
○ 2026-07-03 19:23:56
● 2026-07-14 01:23:00
○A181.224.147.2522015-08-15 → 2015-11-03 · 4 obs
● 2015-08-15 01:23:56
● 2015-11-03 12:52:12
○ 2016-01-27 11:20:14
○ 2026-07-14 01:23:00
○A188.114.96.02026-02-21 → 2026-07-03 · 6 obs
○ 2026-02-14 21:30:10
● 2026-02-21 05:27:22
○ 2026-02-27 13:29:46
○ 2026-06-13 19:48:58
● 2026-07-03 19:23:56
○ 2026-07-14 01:23:00
○A188.114.97.02026-02-21 → 2026-07-03 · 6 obs
○ 2026-02-14 21:30:10
● 2026-02-21 05:27:22
○ 2026-02-27 13:29:46
○ 2026-06-13 19:48:58
● 2026-07-03 19:23:56
○ 2026-07-14 01:23:00
○A2606:4700:3032::6815:22882026-02-14 → 2026-06-13 · 7 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
○ 2026-02-21 05:27:22
● 2026-02-27 13:29:46
● 2026-06-13 19:48:58
○ 2026-07-03 19:23:56
○ 2026-07-14 01:23:00
●A2606:4700:3037::6815:22882026-07-14 → 2026-07-14 · 2 obs
○ 2026-07-03 19:23:56
● 2026-07-14 01:23:00
●A2606:4700:3037::ac43:a1862026-02-14 → 2026-07-14 · 7 obs
○ 2017-01-20 00:04:44
● 2026-02-14 21:30:10
○ 2026-02-21 05:27:22
● 2026-02-27 13:29:46
● 2026-06-13 19:48:58
○ 2026-07-03 19:23:56
● 2026-07-14 01:23:00
○A2a06:98c1:3120::2026-02-21 → 2026-07-03 · 6 obs
○ 2026-02-14 21:30:10
● 2026-02-21 05:27:22
○ 2026-02-27 13:29:46
○ 2026-06-13 19:48:58
● 2026-07-03 19:23:56
○ 2026-07-14 01:23:00
○A2a06:98c1:3121::2026-02-21 → 2026-07-03 · 6 obs
○ 2026-02-14 21:30:10
● 2026-02-21 05:27:22
○ 2026-02-27 13:29:46
○ 2026-06-13 19:48:58
● 2026-07-03 19:23:56
○ 2026-07-14 01:23:00
○A37.60.247.1172016-01-27 → 2016-03-21 · 5 obs
○ 2015-11-03 12:52:12
● 2016-01-27 11:20:14
● 2016-03-21 20:05:26
○ 2016-04-04 05:02:34
○ 2026-07-14 01:23:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
perf.comsue.ns.cloudflare.com, amit.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.145

NS records: sue.ns.cloudflare.com, amit.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perf.com (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.161.134, 104.21.34.136
AAAA22606:4700:3037::ac43:a186, 2606:4700:3037::6815:2288
NS2amit.ns.cloudflare.com, sue.ns.cloudflare.com
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT3knowbe4-site-verification=97a4991241d7c6, v=spf1 ip4:72.250.203.183 ip4:72.250.203...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amit.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.perf.com falls under the parent perf.com.

IP Addresses

perf.com points to the four IP addresses 104.21.34.136, 172.67.161.134, 2606:4700:3037::6815:2288 and 2606:4700:3037::ac43:a186.

Two other host names, along with teesmithy.com, netrc24.biz and valcato.com, also share IP numbers with perf.com.

Name Servers

perf.com uses two name servers for its delegation: amit.ns.cloudflare.com and sue.ns.cloudflare.com.

perf.com shares its NS records with other domains, for example vexere.net, opticando.es, fabulousfrannie.com and two others.

At least some of perf.com's name servers are shared with other domains, for example wydratek.com, talkguitar.com, dataultracore.pics and two more.

It is common for these name servers to be used in conjunction with the name servers nile.ns.cloudflare.com, raegan.ns.cloudflare.com and mona.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname amit.ns.cloudflare.com directs to 108.162.193.63, 172.64.33.63 and 173.245.59.63 along with 3 other IP addresses.

Hostname sue.ns.cloudflare.com directs to 108.162.192.145, 172.64.32.145 and 173.245.58.145 along with 3 other IP addresses.

Mail Servers

perf.com is served by two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Among the domains sharing a mail server setup with perf.com are jerseyville-il.us, obionline.com, nawd.org and two others.

perf.com overlaps on mail servers with several other domains, for example nationalpen.cn, jdmoschitto.com, mail.samanthaslibrary.com and effvision.com.

DNS names with 6 IP addresses:

Hostname us-smtp-inbound-1.mimecast.com directs to 170.10.128.141, 170.10.128.221 and 170.10.128.242 along with 3 other IP addresses.

Hostname us-smtp-inbound-2.mimecast.com directs to 170.10.128.141, 170.10.128.221 and 170.10.128.242 along with 3 other IP addresses.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.128.242 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.141 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.221 IP addresses each.

Both us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com resolve to 170.10.132.242 IP addresses each.