`api.contractbook.co`

DNSSEC	⚠️ Not signed
A	34.36.21.89^{🇺🇸 Google}
		PTR	`89.21.36.34.bc.googleusercontent.com`

`contractbook.co`

	DNSSEC	⚠️ Not signed
	A	2620:cb:2000::1^Cloudflare
	A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM}
	NS	`charles.ns.cloudflare.com` ⭐
	NS	`mary.ns.cloudflare.com`
	TXT	`google-site-verification=cypa-QHWHAaihtiZF5x6Yu1Q8oTm0j68ckMHIkxMaPM`
	TXT	`google-site-verification=tmgPwM1AQr0BuDfblM7Gta7vq2xqNotbJZxlMD0YgEs`
	TXT	`v=spf1 a mx include:spf.mtasv.net include:mailgun.org include:_spf.google.com...`
	SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2396669842

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DNS History

1 record (1 active, 0 former)

●A34.36.21.892026-02-21 → 2026-02-21 · 2 obs

● 2026-02-21 08:15:28
● 2026-02-21 23:40:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
contractbook.co	mary.ns.cloudflare.com, charles.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.83

NS records: mary.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractbook.co (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.36.21.89`

AI analysis

api.contractbook.co resolves to one IP number: 34.36.21.89.

Other host names, for example 89.21.36.34.bc.googleusercontent.com, share IP numbers with api.contractbook.co.

api.contractbook.co - robtex.com