`contractblog.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b5c9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1272^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.114^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.201^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`burt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`burt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`burt.ns.cloudflare.com`
		A	108.162.193.79^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	172.64.33.79^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	173.245.59.79^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
NS	`kami.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kami.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kami.ns.cloudflare.com`
		A	108.162.192.177^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	172.64.32.177^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	173.245.58.177^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.18.114, 172.67.181.201
		IPv6	2606:4700:3032::ac43:b5c9, 2606:4700:3037::6815:1272
SOA	`burt.ns.cloudflare.com`dns@cloudflare.com serial=2396368050

`com`

	DNSSEC	⚠️ Not signed
	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=1774763182

Same first word

contractblog.com

DNS History

8 records (6 active, 2 former)

●NSburt.ns.cloudflare.com2026-03-08 → 2026-03-29 · 2 obs

● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

●NSkami.ns.cloudflare.com2026-03-08 → 2026-03-29 · 2 obs

● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

●A104.21.18.1142026-03-08 → 2026-03-29 · 3 obs

○ 2019-02-04 05:32:16
● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

●A172.67.181.2012026-03-08 → 2026-03-29 · 3 obs

○ 2019-02-04 05:32:16
● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

○A207.148.248.1432015-11-05 → 2019-02-04 · 5 obs

○ 2015-06-06 04:01:20
● 2015-11-05 20:13:12
● 2019-02-04 05:32:16
○ 2026-03-08 22:20:22
○ 2026-03-29 05:49:38

●A2606:4700:3032::ac43:b5c92026-03-08 → 2026-03-29 · 3 obs

○ 2019-02-04 05:32:16
● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

●A2606:4700:3037::6815:12722026-03-08 → 2026-03-29 · 3 obs

○ 2019-02-04 05:32:16
● 2026-03-08 22:20:22
● 2026-03-29 05:49:38

○A66.151.181.492015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 04:01:20
○ 2015-11-05 20:13:12
○ 2026-03-29 05:49:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
contractblog.com	burt.ns.cloudflare.com, kami.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.177

NS records: burt.ns.cloudflare.com, kami.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractblog.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.201, 104.21.18.114`
AAAA	2	`2606:4700:3037::6815:1272, 2606:4700:3032::ac43:b5c9`
NS	2	`burt.ns.cloudflare.com, kami.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`burt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contractblog.com maps to four IP numbers: 2606:4700:3032::ac43:b5c9, 2606:4700:3037::6815:1272, 104.21.18.114 and 172.67.181.201.

Other host names, for instance childrensvaccine.org, bradfordcityfire.co.uk, r2web.com.br, www.project-retrograde.com and tesd-75323.limonadius.ru share IP numbers with contractblog.com.

Name Servers

Two name servers burt.ns.cloudflare.com and kami.ns.cloudflare.com are delegated to contractblog.com.

contractblog.com uses the same name server configuration as other domains, such as stmkza.net, ppjblog.com, txpblog.com, bflblog.com and dbbblog.com.

contractblog.com at least partially shares name servers with other domains such as pixopolska.pl, tfreeman.org, (0x736578)punt.nl, ashwinik.com and senditbytext.com.

These name servers are commonly used with evan.ns.cloudflare.com and arya.ns.cloudflare.com.

Host names with six IP numbers: Host name burt.ns.cloudflare.com points to 2606:4700:58::adf5:3b4f, 2803:f800:50::6ca2:c14f, 2a06:98c1:50::ac40:214f, 108.162.193.79, 172.64.33.79 and 173.245.59.79; host name kami.ns.cloudflare.com points to 2606:4700:50::adf5:3ab1, 2803:f800:50::6ca2:c0b1, 2a06:98c1:50::ac40:20b1, 108.162.192.177, 172.64.32.177 and 173.245.58.177.

contractblog.com - robtex.com