`bb.rbtt.com`

DNSSEC	⚠️ Not signed
A	200.50.92.165^{🇧🇧 RoadRunner200.50.92.0/24}
		PTR	`mail.bb.rbtt.com`
NS	`edns3.ultradns.com` ⭐ ⚠️ Not in parent delegation
		A	2001:502:f3ff::203^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns3.ultradns.com`
		A	204.74.66.3^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns3.ultradns.com`
NS	`edns3.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::203^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns3.ultradns.biz`
		A	204.74.67.3^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns3.ultradns.biz`
NS	`edns3.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::203^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns3.ultradns.net`
		A	204.74.110.3^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns3.ultradns.net`
NS	`edns3.ultradns.org` ⚠️ Not in parent delegation
		A	2001:502:4612::203^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns3.ultradns.org`
		A	204.74.111.3^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns3.ultradns.org`
NS	`ns7.ultradns2.com` ⚠️ Not in parent delegation
		A	2610:a1:3107::53^{🇺🇸 AS3991692610:a1:3107::/48}
			PTR	`ns7.ultradns2.com`
		A	204.74.104.7^{🇺🇸 AS399169204.74.104.0/24 UltraDNS}
			PTR	`ns7.ultradns2.com`
NS	`ns7.ultradns2.org` ⚠️ Not in parent delegation
		A	2610:a1:3207::53^{🇺🇸 AS3991692610:a1:3207::/48}
			PTR	`ns7.ultradns2.org`
		A	204.74.106.7^{🇺🇸 AS399169204.74.106.0/24 UltraDNS}
			PTR	`ns7.ultradns2.org`
TXT	`v=spf1mxip4:142.245.29.128/28ip4:142.245.61.128/28-all`
SOA	`edns3.ultradns.com`premiumdns@support.neustar 2019-07-09 #16

`rbtt.com`

	DNSSEC	⚠️ Not signed
	NS	`edns3.ultradns.com` ⭐
	NS	`edns3.ultradns.biz`
	NS	`edns3.ultradns.net`
	NS	`edns3.ultradns.org`
	NS	`ns7.ultradns2.com`
	NS	`ns7.ultradns2.org`
	MX	`mail1.rbtt.com` ⭐
	MX	`mail.rbtt.com`⁽¹⁰⁾
	TXT	`ZOOM_verify_Ld-U19CJSiW8zkj0TeDF6A`
	TXT	`ZOOM_verify__iVg2_REQIuMkCMu-lFSjA`
	TXT	`canva-site-verification=a2pWhsYuP66GQ93gHxabQg`
	SOA	`edns3.ultradns.com`premiumdns@support.neustar 2019-07-18 #52

Same first word

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bb.net

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bb.tv.it

bb.my

bb.org.sg

bb.to

bb.digital

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bb.com.ru

bb.pl

bb.uz

bb.dnsalias.net

DNS History

12 records (7 active, 5 former)

○NSa1.verisigndns.com2015-08-29 → 2017-07-27 · 4 obs

● 2015-08-29 14:36:32
● 2017-07-27 18:59:00
○ 2026-03-25 15:15:14
○ 2026-03-25 15:15:16

○NSa2.verisigndns.com2015-08-29 → 2017-07-27 · 4 obs

● 2015-08-29 14:36:32
● 2017-07-27 18:59:00
○ 2026-03-25 15:15:14
○ 2026-03-25 15:15:16

○NSa3.verisigndns.com2015-08-29 → 2017-07-27 · 4 obs

● 2015-08-29 14:36:32
● 2017-07-27 18:59:00
○ 2026-03-25 15:15:14
○ 2026-03-25 15:15:16

●NSedns3.ultradns.biz2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

●NSedns3.ultradns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

●NSedns3.ultradns.net2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

●NSedns3.ultradns.org2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

●NSns7.ultradns2.com2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

●NSns7.ultradns2.org2026-03-25 → 2026-03-25 · 3 obs

○ 2017-07-27 18:59:00
● 2026-03-25 15:15:14
● 2026-03-25 15:15:16

○MXmx.rbc.com2015-08-29 → 2017-07-27 · 4 obs

● 2015-08-29 14:36:32
● 2017-07-27 18:59:00
○ 2026-03-25 15:15:14
○ 2026-03-25 15:15:16

○MXmxb.rbc.com2015-08-29 → 2017-07-27 · 4 obs

● 2015-08-29 14:36:32
● 2017-07-27 18:59:00
○ 2026-03-25 15:15:14
○ 2026-03-25 15:15:16

●A200.50.92.1652015-08-29 → 2026-03-25 · 2 obs

● 2015-08-29 14:36:32
● 2026-03-25 15:15:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
rbtt.com	edns3.ultradns.net, edns3.ultradns.com, edns3.ultradns.biz, edns3.ultradns.org...	4 records

✅ Authoritative Response

Server:204.74.110.3

NS records: edns3.ultradns.net, edns3.ultradns.com, edns3.ultradns.biz, edns3.ultradns.org, ns7.ultradns2.org, ns7.ultradns2.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rbtt.com (unsigned zone)

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.50.92.165`
NS	6	`ns7.ultradns2.com, ns7.ultradns2.org...`
TXT	1	`v=spf1mxip4:142.245.29.128/28ip4:142.245`
SOA	1	`edns3.ultradns.com premiumdns.support.ne`