contracting.com - dns.ninja

`contracting.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:cad8^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:34b8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.184^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.216^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`buck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`buck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`buck.ns.cloudflare.com`
		A	108.162.193.78^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	172.64.33.78^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
		A	173.245.59.78^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`buck.ns.cloudflare.com`
NS	`vida.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vida.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vida.ns.cloudflare.com`
		A	108.162.192.236^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	172.64.32.236^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	173.245.58.236^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`facebook-domain-verification=uec7hndv1tu58848thc9truqwdq7bl`
TXT	`google-gws-recovery-domain-verification=43237355`
TXT	`google-site-verification=Ra1th2bD2jxi1-29kcEX57JqJ1jHTf44zeXEfbC9yEA`
TXT	`google-site-verification=WOeCJq47N3abfaDTA0KNUBUg3IFcd_F4N7WPONOLr60`
TXT	`google-site-verification=kUpWtVoOtqEZuePkvw9vDas3dI28Ft4RkLvIyC_VvaU`
TXT	`v=spf1 include:emsd1.com include:_spf.google.com ~all include:user.zohobookin...`
TXT	`zoho-verification=zb99175332.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.184, 172.67.202.216
		IPv6 hints	2606:4700:3032::ac43:cad8, 2606:4700:3037::6815:34b8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com
SOA	`buck.ns.cloudflare.com`dns@cloudflare.com serial=2410563195

`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=1785165837

Subdomains

h.contracting.com

Same first word

contracting.com

contracting.info

contracting.at

contracting.co.za

contracting.com.au

contracting.tech

contracting.works

contracting.team

contracting.org

DNS History

23 records (11 active, 12 former)

●NSbuck.ns.cloudflare.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

○NSdns01.sbsisp.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 08:41:02
○ 2015-06-26 16:25:44
○ 2026-07-27 15:24:36

○NSdns02.sbsisp.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 08:41:02
○ 2015-06-26 16:25:44
○ 2026-07-27 15:24:36

○NSdns03.sbsisp.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 08:41:02
○ 2015-06-26 16:25:44
○ 2026-07-27 15:24:36

○NSdns04.sbsisp.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 08:41:02
○ 2015-06-26 16:25:44
○ 2026-07-27 15:24:36

○NSns1.sedoparking.com2015-06-26 → 2017-08-06 · 5 obs

○ 2007-10-24 08:41:02
● 2015-06-26 16:25:44
● 2017-08-06 20:14:52
○ 2026-02-21 12:57:30
○ 2026-07-27 15:24:36

○NSns2.sedoparking.com2015-06-26 → 2017-08-06 · 5 obs

○ 2007-10-24 08:41:02
● 2015-06-26 16:25:44
● 2017-08-06 20:14:52
○ 2026-02-21 12:57:30
○ 2026-07-27 15:24:36

●NSvida.ns.cloudflare.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●MXalt1.aspmx.l.google.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●MXalt2.aspmx.l.google.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●MXalt3.aspmx.l.google.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●MXalt4.aspmx.l.google.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●MXaspmx.l.google.com2026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

○MXlocalhost2016-11-19 → 2017-08-06 · 5 obs

○ 2016-04-01 17:45:58
● 2016-11-19 19:39:30
● 2017-08-06 20:14:52
○ 2026-02-21 12:57:30
○ 2026-07-27 15:24:36

○MXmail.nickstel.com2015-06-26 → 2016-04-01 · 5 obs

○ 2007-10-24 08:41:02
● 2015-06-26 16:25:44
● 2016-04-01 17:45:58
○ 2016-11-19 19:39:30
○ 2026-07-27 15:24:36

●A104.21.52.1842026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●A172.67.202.2162026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

○A208.254.26.1392007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 08:41:02
○ 2015-06-26 16:25:44
○ 2026-07-27 15:24:36

○A2606:4700:3030::6815:34b82026-02-21 → 2026-02-21 · 4 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
○ 2026-06-25 13:31:14
○ 2026-07-27 15:24:36

●A2606:4700:3032::ac43:cad82026-02-21 → 2026-07-27 · 3 obs

○ 2017-08-06 20:14:52
● 2026-02-21 12:57:30
● 2026-07-27 15:24:36

●A2606:4700:3037::6815:34b82026-06-25 → 2026-07-27 · 3 obs

○ 2026-02-21 12:57:30
● 2026-06-25 13:31:14
● 2026-07-27 15:24:36

○A72.52.4.1222017-08-06 → 2017-08-06 · 4 obs

○ 2016-11-19 19:39:30
● 2017-08-06 20:14:52
○ 2026-02-21 12:57:30
○ 2026-07-27 15:24:36

○A72.52.4.912015-06-26 → 2016-11-19 · 5 obs

○ 2007-10-24 08:41:02
● 2015-06-26 16:25:44
● 2016-11-19 19:39:30
○ 2017-08-06 20:14:52
○ 2026-07-27 15:24:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contracting.com	vida.ns.cloudflare.com, buck.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.78

NS records: vida.ns.cloudflare.com, buck.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contracting.com (unsigned zone)

⏱️ Timing

Total: 241ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.216, 104.21.52.184`
AAAA	2	`2606:4700:3032::ac43:cad8, 2606:4700:3037::6815:34b8`
NS	2	`buck.ns.cloudflare.com, vida.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	7	`facebook-domain-verification=uec7hndv1tu, google-gws-recovery-domain-verification=...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`buck.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain h.contracting.com falls under the parent contracting.com.

IP Addresses

contracting.com points to the four IP addresses 104.21.52.184, 172.67.202.216, 2606:4700:3032::ac43:cad8 and 2606:4700:3037::6815:34b8.

Two other host names, along with www.ekstra.com, 7c3af34c.5e7955b063f4019d7397a1a5.workers.dev and yohema.com, also share IP numbers with contracting.com.

Name Servers

contracting.com is served by two delegated name servers, buck.ns.cloudflare.com and vida.ns.cloudflare.com.

contracting.com shares its NS records with other domains, for example commercialpropertiesnaples.com, needbridge.com, cauley.co.th and two others.

At least some of contracting.com's name servers are shared with other domains, for example officiallyblessedredfish.shop, rajawalitotowah.com, virtuogate.com and two more.

These name servers are often deployed together with the name servers hunts.ns.cloudflare.com, anna.ns.cloudflare.com, dee.ns.cloudflare.com and seth.ns.cloudflare.com.

DNS names with 6 IP addresses:

buck.ns.cloudflare.com carries IP addresses 108.162.193.78, 172.64.33.78 and 173.245.59.78, with 3 other addresses beyond those.

vida.ns.cloudflare.com carries IP addresses 108.162.192.236, 172.64.32.236 and 173.245.58.236, with 3 other addresses beyond those.

Mail Servers

contracting.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between contracting.com and other domains, including toda.network, circuitstory.in, mr-macs.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com maps to two IP addresses — 172.253.139.27 and 2607:f8b0:4004:c07::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.