`mcmahon-engineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c0b4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:3c3d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.61^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.180^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.61, 172.67.192.180
		IPv6 hints	2606:4700:3030::ac43:c0b4, 2606:4700:3034::6815:3c3d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`melissa.ns.cloudflare.com`dns@cloudflare.com serial=2400274912

`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=1778415661

WOT: UNKNOWN (68/100)

Subdomains

www.mcmahon-engineering.com

Same first word

mcmahon-engineering.com

DNS History

24 records (6 active, 18 former)

●NSmelissa.ns.cloudflare.com2026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

○NSns1.bsve.net2007-10-12 → 2007-10-12 · 3 obs

● 2007-10-12 07:14:44
○ 2015-07-17 18:44:24
○ 2026-05-10 12:34:50

○NSns1.livedns.co.uk2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○NSns2.bsve.net2007-10-12 → 2007-10-12 · 3 obs

● 2007-10-12 07:14:44
○ 2015-07-17 18:44:24
○ 2026-05-10 12:34:50

○NSns2.livedns.co.uk2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○NSns3.livedns.co.uk2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○NSns45.domaincontrol.com2016-12-25 → 2018-11-05 · 5 obs

○ 2016-06-21 10:21:56
● 2016-12-25 18:35:46
● 2018-11-05 11:25:48
○ 2026-05-01 00:07:34
○ 2026-05-10 12:34:50

○NSns46.domaincontrol.com2016-12-25 → 2018-11-05 · 5 obs

○ 2016-06-21 10:21:56
● 2016-12-25 18:35:46
● 2018-11-05 11:25:48
○ 2026-05-01 00:07:34
○ 2026-05-10 12:34:50

●NStodd.ns.cloudflare.com2026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

○MXinboundcluster1.cloudplatform1.com2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○MXinboundcluster2.cloudplatform1.com2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○MXinboundcluster3.cloudplatform1.com2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○MXinboundcluster4.cloudplatform1.com2015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○MXmail3.omniis.com2007-10-12 → 2007-10-12 · 3 obs

● 2007-10-12 07:14:44
○ 2015-07-17 18:44:24
○ 2026-05-10 12:34:50

○MXmailstore1.secureserver.net2016-12-25 → 2018-11-05 · 5 obs

○ 2016-06-21 10:21:56
● 2016-12-25 18:35:46
● 2018-11-05 11:25:48
○ 2026-05-01 00:07:34
○ 2026-05-10 12:34:50

○MXmx.mail.legend.co.uk2007-10-12 → 2007-10-12 · 3 obs

● 2007-10-12 07:14:44
○ 2015-07-17 18:44:24
○ 2026-05-10 12:34:50

○MXsmtp.secureserver.net2016-12-25 → 2018-11-05 · 5 obs

○ 2016-06-21 10:21:56
● 2016-12-25 18:35:46
● 2018-11-05 11:25:48
○ 2026-05-01 00:07:34
○ 2026-05-10 12:34:50

●A104.21.60.612026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

●A172.67.192.1802026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

○A188.165.196.1382015-07-17 → 2016-06-21 · 5 obs

○ 2007-10-12 07:14:44
● 2015-07-17 18:44:24
● 2016-06-21 10:21:56
○ 2016-12-25 18:35:46
○ 2026-05-10 12:34:50

○A212.227.92.1212007-10-12 → 2007-10-12 · 3 obs

● 2007-10-12 07:14:44
○ 2015-07-17 18:44:24
○ 2026-05-10 12:34:50

●A2606:4700:3030::ac43:c0b42026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

●A2606:4700:3034::6815:3c3d2026-05-01 → 2026-05-10 · 3 obs

○ 2018-11-05 11:25:48
● 2026-05-01 00:07:34
● 2026-05-10 12:34:50

○A52.8.191.2352016-12-25 → 2018-11-05 · 5 obs

○ 2016-06-21 10:21:56
● 2016-12-25 18:35:46
● 2018-11-05 11:25:48
○ 2026-05-01 00:07:34
○ 2026-05-10 12:34:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mcmahon-engineering.com	todd.ns.cloudflare.com, melissa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.146

NS records: todd.ns.cloudflare.com, melissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmahon-engineering.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.60.61, 172.67.192.180`
AAAA	2	`2606:4700:3030::ac43:c0b4, 2606:4700:3034::6815:3c3d`
NS	2	`melissa.ns.cloudflare.com, todd.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melissa.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.mcmahon-engineering.com is mcmahon-engineering.com.

IP Addresses

mcmahon-engineering.com maps to four IP numbers: 2606:4700:3030::ac43:c0b4, 2606:4700:3034::6815:3c3d, 104.21.60.61 and 172.67.192.180.

Other host names, for instance border.gallery, trizbook.ru, everybackpage.com, elka.club and metallix.com share IP numbers with mcmahon-engineering.com.

Name Servers

Two name servers melissa.ns.cloudflare.com and todd.ns.cloudflare.com handle delegation for mcmahon-engineering.com.

mcmahon-engineering.com uses the same name server setup as other domains, for example parkswildlifefoundation.org, southdakotalottery.org, ylwsgn.cc, sdauditor.gov and sdpb.org.

mcmahon-engineering.com partially shares name servers with other domains; examples include iosinfo.gr, katsubet01.com, jewelsinar.com, veronika-bed-and-breakfast.com and ainhoaprada.net.

These name servers are often used with the name servers kim.ns.cloudflare.com and marty.ns.cloudflare.com.

Host names with six IP numbers: melissa.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac7, 2803:f800:50::6ca2:c0c7, 2a06:98c1:50::ac40:20c7, 108.162.192.199, 172.64.32.199 and 173.245.58.199; todd.ns.cloudflare.com points to: 2606:4700:58::adf5:3b92, 2803:f800:50::6ca2:c192, 2a06:98c1:50::ac40:2192, 108.162.193.146, 172.64.33.146 and 173.245.59.146.

mcmahon-engineering.com - robtex.com