rfbook.com - dns.ninja

`rfbook.com`

DNSSEC	⚠️ Not signed
A	3.33.156.102^{🇺🇸 Amazon3.33.144.0/20}
		PTR	`a2d783c7ffcfc5cfe.awsglobalaccelerator.com`
A	166.117.8.184^{🇺🇸 Amazon166.117.0.0/20}
NS	`ns-1613.awsdns-09.co.uk` ⭐
		A	2600:9000:5306:4d00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1613.awsdns-09.co.uk`
		A	205.251.198.77^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1613.awsdns-09.co.uk`
NS	`ns-1377.awsdns-44.org`
		A	2600:9000:5305:6100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1377.awsdns-44.org`
		A	205.251.197.97^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1377.awsdns-44.org`
NS	`ns-370.awsdns-46.com`
		A	2600:9000:5301:7200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-370.awsdns-46.com`
		A	205.251.193.114^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-370.awsdns-46.com`
NS	`ns-929.awsdns-52.net`
		A	2600:9000:5303:a100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-929.awsdns-52.net`
		A	205.251.195.161^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-929.awsdns-52.net`
SOA	`ns-1613.awsdns-09.co.uk`awsdns-hostmaster@amazon.com serial=1

`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=1784862797

WOT: SAFE (60/100)

Same first word

rfbook.com

rfbook.ag

Similar names

fbrook.net

bookfr.com

fbrook.com

frbook.com

DNS History

14 records (6 active, 8 former)

○NSdns1.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

○NSdns2.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

○NSdns3.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

○NSdns4.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

○NSdns5.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

○NSdns6.iidns.com2015-07-01 → 2016-11-29 · 5 obs

○ 2008-03-19 20:38:10
● 2015-07-01 01:55:58
● 2016-11-29 23:04:32
○ 2026-02-27 01:03:42
○ 2026-07-24 03:15:28

●NSns-1377.awsdns-44.org2026-02-27 → 2026-07-24 · 3 obs

○ 2016-11-29 23:04:32
● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

●NSns-1613.awsdns-09.co.uk2026-02-27 → 2026-07-24 · 3 obs

○ 2016-11-29 23:04:32
● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

●NSns-370.awsdns-46.com2026-02-27 → 2026-07-24 · 3 obs

○ 2016-11-29 23:04:32
● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

●NSns-929.awsdns-52.net2026-02-27 → 2026-07-24 · 3 obs

○ 2016-11-29 23:04:32
● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

○NSns1.dns.com.cn2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 20:38:10
○ 2015-07-01 01:55:58
○ 2026-07-24 03:15:28

○NSns2.dns.com.cn2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 20:38:10
○ 2015-07-01 01:55:58
○ 2026-07-24 03:15:28

●A166.117.8.1842026-02-27 → 2026-07-24 · 2 obs

● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

●A3.33.156.1022026-02-27 → 2026-07-24 · 2 obs

● 2026-02-27 01:03:42
● 2026-07-24 03:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rfbook.com	ns-370.awsdns-46.com, ns-929.awsdns-52.net, ns-1613.awsdns-09.co.uk, ns-1377.awsdns-44.org	2 records

✅ Authoritative Response

Server:205.251.197.97

NS records: ns-370.awsdns-46.com, ns-929.awsdns-52.net, ns-1613.awsdns-09.co.uk, ns-1377.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfbook.com (unsigned zone)

⏱️ Timing

Total: 510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`166.117.8.184, 3.33.156.102`
NS	4	`ns-1377.awsdns-44.org, ns-1613.awsdns-09.co.uk...`
SOA	1	`ns-1613.awsdns-09.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-370.awsdns-46.com, ns-370.awsdns-46.com)

Analysis

IP Addresses

rfbook.com directs to two IP numbers, 3.33.156.102 and 166.117.8.184

lotus365.cz, kalyan247.com, jsk11.com and two other host names share IP numbers with rfbook.com.

Name Servers

The authoritative name servers for rfbook.com are ns-370.awsdns-46.com, ns-929.awsdns-52.net, ns-1377.awsdns-44.org and ns-1613.awsdns-09.co.uk.

rfbook.com shares at least some of its name servers with other domains, including enigmasoftwaregroup.com, yomzo.jp, tiefbau-backend.ewe-netz.de and two others.

The host names ns-370.awsdns-46.com, ns-929.awsdns-52.net, ns-1377.awsdns-44.org and ns-1613.awsdns-09.co.uk each resolve to two IP addresses: ns-370.awsdns-46.com resolves to 205.251.193.114 and 2600:9000:5301:7200::1; ns-929.awsdns-52.net resolves to 205.251.195.161 and 2600:9000:5303:a100::1; ns-1377.awsdns-44.org resolves to 205.251.197.97 and 2600:9000:5305:6100::1; ns-1613.awsdns-09.co.uk resolves to 205.251.198.77 and 2600:9000:5306:4d00::1.