`bivoltwebinar.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:a1b2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:f31^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.49^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.178^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nelly.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
NS	`tosana.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c2b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tosana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tosana.ns.cloudflare.com`
		A	108.162.195.43^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	162.159.44.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	172.64.35.43^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:send.resend.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.49, 172.67.161.178
		IPv6 hints	2606:4700:3033::ac43:a1b2, 2606:4700:3036::6815:f31
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOA	`nelly.ns.cloudflare.com`dns@cloudflare.com serial=2406322697

`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=1784541557

🔒 HSTS Preload (+subdomains)

Same first word

bivoltwebinar.com

DNS History

15 records (9 active, 6 former)

●NSnelly.ns.cloudflare.com2026-06-05 → 2026-07-20 · 2 obs

● 2026-06-05 19:34:44
● 2026-07-20 10:26:20

●NStosana.ns.cloudflare.com2026-06-05 → 2026-07-20 · 2 obs

● 2026-06-05 19:34:44
● 2026-07-20 10:26:20

●MXroute1.mx.cloudflare.net2026-06-05 → 2026-07-20 · 2 obs

● 2026-06-05 19:34:44
● 2026-07-20 10:26:20

●MXroute2.mx.cloudflare.net2026-06-05 → 2026-07-20 · 2 obs

● 2026-06-05 19:34:44
● 2026-07-20 10:26:20

●MXroute3.mx.cloudflare.net2026-06-05 → 2026-07-20 · 2 obs

● 2026-06-05 19:34:44
● 2026-07-20 10:26:20

●A104.21.15.492026-06-05 → 2026-07-20 · 5 obs

● 2026-06-05 19:34:44
● 2026-06-17 12:14:04
○ 2026-07-08 09:10:46
● 2026-07-19 21:15:12
● 2026-07-20 10:26:20

●A172.67.161.1782026-06-05 → 2026-07-20 · 5 obs

● 2026-06-05 19:34:44
● 2026-06-17 12:14:04
○ 2026-07-08 09:10:46
● 2026-07-19 21:15:12
● 2026-07-20 10:26:20

○A188.114.96.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-17 12:14:04
● 2026-07-08 09:10:46
○ 2026-07-19 21:15:12
○ 2026-07-20 10:26:20

○A188.114.97.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-17 12:14:04
● 2026-07-08 09:10:46
○ 2026-07-19 21:15:12
○ 2026-07-20 10:26:20

○A2606:4700:3032::ac43:a1b22026-06-05 → 2026-06-17 · 4 obs

● 2026-06-05 19:34:44
● 2026-06-17 12:14:04
○ 2026-07-08 09:10:46
○ 2026-07-20 10:26:20

●A2606:4700:3033::ac43:a1b22026-07-19 → 2026-07-20 · 3 obs

○ 2026-07-08 09:10:46
● 2026-07-19 21:15:12
● 2026-07-20 10:26:20

●A2606:4700:3036::6815:f312026-07-19 → 2026-07-20 · 3 obs

○ 2026-07-08 09:10:46
● 2026-07-19 21:15:12
● 2026-07-20 10:26:20

○A2606:4700:3037::6815:f312026-06-05 → 2026-06-17 · 4 obs

● 2026-06-05 19:34:44
● 2026-06-17 12:14:04
○ 2026-07-08 09:10:46
○ 2026-07-20 10:26:20

○A2a06:98c1:3120::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-17 12:14:04
● 2026-07-08 09:10:46
○ 2026-07-19 21:15:12
○ 2026-07-20 10:26:20

○A2a06:98c1:3121::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-17 12:14:04
● 2026-07-08 09:10:46
○ 2026-07-19 21:15:12
○ 2026-07-20 10:26:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bivoltwebinar.com	nelly.ns.cloudflare.com, tosana.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.209

NS records: nelly.ns.cloudflare.com, tosana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bivoltwebinar.com (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.161.178, 104.21.15.49`
AAAA	2	`2606:4700:3036::6815:f31, 2606:4700:3033::ac43:a1b2`
NS	2	`nelly.ns.cloudflare.com, tosana.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 20), route2.mx.cloudflare.net (pri: 40)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nelly.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bivoltwebinar.com has four IP addresses: 104.21.15.49, 172.67.161.178, 2606:4700:3033::ac43:a1b2 and 2606:4700:3036::6815:f31.

iconicit.co.uk, allnewsmyway.com, 2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.2894f34fbd32.annesent.me plus two other host names have IP numbers in common with bivoltwebinar.com.

Name Servers

bivoltwebinar.com has two authoritative name servers — nelly.ns.cloudflare.com and tosana.ns.cloudflare.com.

The name server configuration of bivoltwebinar.com is shared with other domains, for instance lnkner.cc, revitanatural.com, zonafranca.com.ar and two others.

bivoltwebinar.com has at least partial name server overlap with other domains, such as valparaisoquindio.com, greenvaleunited.com, pausdulto.skin and two others.

It is common to find these name servers paired with the name servers alberto.ns.cloudflare.com.

Hosts with 6 IP addresses each:

nelly.ns.cloudflare.com points to 108.162.192.209, 172.64.32.209, 173.245.58.209 and 3 other IP addresses.

tosana.ns.cloudflare.com points to 108.162.195.43, 162.159.44.43, 172.64.35.43 and 3 other IP addresses.

Mail Servers

bivoltwebinar.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by bivoltwebinar.com are shared with other domains: opendata.lt, wagyak.net, pixwox.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

bivoltwebinar.com - robtex.com