physicsforums.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`physicsforums.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:e84^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:f84^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4487^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.14.132^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.15.132^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.68.135^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`konnor.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c36a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`konnor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:236a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`konnor.ns.cloudflare.com`
		A	108.162.195.106^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	162.159.44.106^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	172.64.35.106^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
NS	`sandra.ns.cloudflare.com`
		A	2606:4700:50::a29f:2622^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c222^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2222^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandra.ns.cloudflare.com`
		A	108.162.194.34^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	162.159.38.34^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
		A	172.64.34.34^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandra.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=6ibgVtPh0QvLeZtf9nqXVqW82Y9oPFOgti3_fxsVQ7I`
TXT	`v=spf1 ip4:23.111.143.85 ip4:23.111.143.82 ip4:104.156.48.214 include:_spf.g...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.14.132, 104.26.15.132, 172.67.68.135
		IPv6 hints	2606:4700:20::681a:e84, 2606:4700:20::681a:f84, 2606:4700:20::ac43:4487
SOA	`konnor.ns.cloudflare.com`dns@cloudflare.com serial=2411671414

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786885854

rank #21229 globally
rank #10392 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (94/100)
📈 Tranco rank: #32,942

Subdomains

www.physicsforums.com

mail.physicsforums.com

pf5.physicsforums.com

Same first word

physicsforums.com

DNS History

17 records (13 active, 4 former)

●NSkonnor.ns.cloudflare.com2026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

○NSns1.softlayer.com2009-01-25 → 2017-06-03 · 4 obs

● 2009-01-25 07:58:16
● 2017-06-03 12:22:16
○ 2026-03-07 12:41:32
○ 2026-08-16 13:21:34

○NSns2.softlayer.com2009-01-25 → 2017-06-03 · 4 obs

● 2009-01-25 07:58:16
● 2017-06-03 12:22:16
○ 2026-03-07 12:41:32
○ 2026-08-16 13:21:34

●NSsandra.ns.cloudflare.com2026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

○MX704085836.pamx1.hotmail.com2009-01-25 → 2009-01-25 · 3 obs

● 2009-01-25 07:58:16
○ 2015-07-13 14:36:12
○ 2026-08-16 13:21:34

●MXalt1.aspmx.l.google.com2015-07-13 → 2026-08-16 · 3 obs

○ 2009-01-25 07:58:16
● 2015-07-13 14:36:12
● 2026-08-16 13:21:34

●MXalt2.aspmx.l.google.com2015-07-13 → 2026-08-16 · 3 obs

○ 2009-01-25 07:58:16
● 2015-07-13 14:36:12
● 2026-08-16 13:21:34

●MXalt3.aspmx.l.google.com2015-07-13 → 2026-08-16 · 3 obs

○ 2009-01-25 07:58:16
● 2015-07-13 14:36:12
● 2026-08-16 13:21:34

●MXalt4.aspmx.l.google.com2015-07-13 → 2026-08-16 · 3 obs

○ 2009-01-25 07:58:16
● 2015-07-13 14:36:12
● 2026-08-16 13:21:34

●MXaspmx.l.google.com2015-07-13 → 2026-08-16 · 3 obs

○ 2009-01-25 07:58:16
● 2015-07-13 14:36:12
● 2026-08-16 13:21:34

●A104.26.14.1322026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

●A104.26.15.1322026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

●A172.67.68.1352026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

●A2606:4700:20::681a:e842026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

●A2606:4700:20::681a:f842026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

●A2606:4700:20::ac43:44872026-03-07 → 2026-08-16 · 3 obs

○ 2017-06-03 12:22:16
● 2026-03-07 12:41:32
● 2026-08-16 13:21:34

○A74.86.200.1092009-01-25 → 2017-06-03 · 4 obs

● 2009-01-25 07:58:16
● 2017-06-03 12:22:16
○ 2026-03-07 12:41:32
○ 2026-08-16 13:21:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
physicsforums.com	sandra.ns.cloudflare.com, konnor.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.34

NS records: sandra.ns.cloudflare.com, konnor.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.14.132, 104.26.15.132...`
AAAA	3	`2606:4700:20::681a:e84, 2606:4700:20::681a:f84...`
NS	2	`konnor.ns.cloudflare.com, sandra.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=6ibgVtPh0QvLeZt, v=spf1 ip4:23.111.143.85 ip4:23.111.143.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`konnor.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

physicsforums.com is the parent domain of www.physicsforums.com, mail.physicsforums.com and pf5.physicsforums.com.

IP Addresses

physicsforums.com points to 6 IP addresses, including 104.26.14.132, 104.26.15.132 and 172.67.68.135, plus 3 other.

www.barebackrt.com, amp.hobimain.courses, 7x.ae plus two other host names have IP numbers in common with physicsforums.com.

Name Servers

The NS records for physicsforums.com delegate to konnor.ns.cloudflare.com and sandra.ns.cloudflare.com.

The name server configuration of physicsforums.com is shared with other domains, for instance importsem.com, bonoclub-casino.com, guamaumakan.pages.dev and two others.

physicsforums.com shares at least some of its name servers with other domains, including forwardleading.co.uk, jydqfw.com, pennandquill.com and two others.

These name servers are frequently seen alongside the name servers monika.ns.cloudflare.com.

Hosts with 6 IP addresses each:

konnor.ns.cloudflare.com maps to 108.162.195.106, 162.159.44.106, 172.64.35.106 and 3 additional IP addresses.

sandra.ns.cloudflare.com maps to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 additional IP addresses.

Mail Servers

physicsforums.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by physicsforums.com are shared with other domains: merket.com.mx, coidb.com, kodap.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

The A records for aspmx.l.google.com return 142.251.167.26 and 2607:f8b0:4004:c09::1a.

The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1b.