`firstonlinesportsbook.com`

DNSSEC	⚠️ Not signed
A	51.38.2.57^{🇫🇷 OVH51.38.0.0/16}
		PTR	`firstonlinesportsbook.com`
NS	`ns-678.awsdns-20.net` ⭐ ⚠️ Not in parent delegation
		A	2600:9000:5302:a600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-678.awsdns-20.net`
		A	205.251.194.166^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-678.awsdns-20.net`
NS	`ns-1489.awsdns-58.org` ⚠️ Not in parent delegation
		A	2600:9000:5305:d100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1489.awsdns-58.org`
		A	205.251.197.209^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1489.awsdns-58.org`
NS	`ns-340.awsdns-42.com` ⚠️ Not in parent delegation
		A	2600:9000:5301:5400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-340.awsdns-42.com`
		A	205.251.193.84^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-340.awsdns-42.com`
NS	`ns-705.awsdns-24.net` ⚠️ Not in parent delegation
		A	2600:9000:5302:c100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-705.awsdns-24.net`
		A	205.251.194.193^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-705.awsdns-24.net`
NS	`ns1.firstonlinesportsbook.com` ⚠️ Not in zone NS records
NS	`ns2.firstonlinesportsbook.com` ⚠️ Not in zone NS records
MX	`contact.firstonlinesportsbook.com` ⭐
		A	51.38.2.57^{🇫🇷 OVH51.38.0.0/16}
			PTR	`firstonlinesportsbook.com`
TXT	`v=spf1 ip4:51.38.2.57 ~all`
SOA	`ns-678.awsdns-20.net`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=1778664491

PTR for

57.2.38.51.in-addr.arpa

DNS History

11 records (8 active, 3 former)

○NSnameserver5.tsn.cc2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 23:46:36
○ 2015-08-09 11:08:40
○ 2026-05-13 09:51:24

○NSnameserver6.tsn.cc2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 23:46:36
○ 2015-08-09 11:08:40
○ 2026-05-13 09:51:24

●NSns-1489.awsdns-58.org2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●NSns-340.awsdns-42.com2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●NSns-678.awsdns-20.net2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●NSns-705.awsdns-24.net2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●NSns1.firstonlinesportsbook.com2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●NSns2.firstonlinesportsbook.com2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

○MXa.mx.firstonlinesportsbook.com2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 23:46:36
○ 2015-08-09 11:08:40
○ 2026-05-13 09:51:24

●MXcontact.firstonlinesportsbook.com2026-05-13 → 2026-05-13 · 3 obs

○ 2015-08-09 11:08:40
● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

●A51.38.2.572026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 09:51:22
● 2026-05-13 09:51:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
firstonlinesportsbook.com	ns1.firstonlinesportsbook.com, ns2.firstonlinesportsbook.com	2 records

✅ Authoritative Response

Server:141.94.121.186

NS records: ns1.firstonlinesportsbook.com, ns2.firstonlinesportsbook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstonlinesportsbook.com (unsigned zone)

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.38.2.57`
NS	4	`ns-705.awsdns-24.net, ns-1489.awsdns-58.org...`
MX	1	`contact.firstonlinesportsbook.com (pri:`
TXT	1	`v=spf1 ip4:51.38.2.57 ~all`
SOA	1	`ns-678.awsdns-20.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.firstonlinesportsbook.com, ns2.firstonlinesportsbook.com)

Analysis

IP Addresses

firstonlinesportsbook.com points to a single IP number: 51.38.2.57.

Other host names, for instance neccloudstorage.com, actualidadavipecuria.com, mbn1.net, idxdnszone107.com and craftkernal.com share IP numbers with firstonlinesportsbook.com.

Name Servers

firstonlinesportsbook.com is delegated to six name servers: ns-340.awsdns-42.com, ns1.firstonlinesportsbook.com, ns2.firstonlinesportsbook.com, ns-678.awsdns-20.net, ns-705.awsdns-24.net and ns-1489.awsdns-58.org.

firstonlinesportsbook.com at least partially shares name servers with other domains, for instance jukumuchu.blog.fc2.com, filmmaster.com, saitech.com, asset-force.com and telus.tools.

Host names with two IP numbers:

ns-340.awsdns-42.com points to: 2600:9000:5301:5400::1 and 205.251.193.84.

ns-678.awsdns-20.net points to: 2600:9000:5302:a600::1 and 205.251.194.166.

ns-705.awsdns-24.net points to: 2600:9000:5302:c100::1 and 205.251.194.193.

ns-1489.awsdns-58.org points to: 2600:9000:5305:d100::1 and 205.251.197.209.

Mail Servers

firstonlinesportsbook.com is handled by a single mail server, contact.firstonlinesportsbook.com.

contact.firstonlinesportsbook.com points to a single IP: 51.38.2.57.

firstonlinesportsbook.com - robtex.com