`checksafetyfirst.com`

DNSSEC	⚠️ Not signed
A	45.223.19.214^{🇺🇸 IMPERVA45.223.19.0/24}
A	45.223.25.214^{🇺🇸 IMPERVA45.223.25.0/24}
NS	`dns1.cscdns.net` ⭐ 🔒
		A	2610:a1:1022::100^{🇺🇸 MAINT-ID-120082610:a1:1022::/48 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
		A	156.154.130.100^{🇺🇸 MAINT-ID-12008156.154.130.0/24 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
NS	`dns2.cscdns.net` 🔒
		A	2610:a1:1023::100^{🇺🇸 MAINT-ID-120082610:a1:1023::/48 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
		A	156.154.131.100^{🇺🇸 MAINT-ID-12008156.154.131.0/24 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
MX	`checksafetyfirst-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`globalsign-domain-verification=7EAF27E7B6FB209C100EA45079D0D8FD`
TXT	`globalsign-domain-verification=92F4DE95F1F78D5C7EF89335D0BF1EC2`
TXT	`globalsign-domain-verification=AB8847B360F2B035053F45353218F6B8`
TXT	`globalsign-domain-verification=CE94AD3854C8822309FD03C066305E65`
SOA	`dns1.cscdns.net`hostmaster@cscdns.net 2020-12-04 #34

`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=1771291435

Subdomains

mail.checksafetyfirst.com

Same first word

checksafetyfirst.co.uk

checksafetyfirst.com

checksafetyfirst.de

DNS History

11 records (5 active, 6 former)

●NSdns1.cscdns.net2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-06 02:02:04
● 2026-02-17 03:43:36
● 2026-03-23 10:21:00

●NSdns2.cscdns.net2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-06 02:02:04
● 2026-02-17 03:43:36
● 2026-03-23 10:21:00

○NSns0.dcmanaged.com2015-07-21 → 2017-07-06 · 4 obs

● 2015-07-21 21:06:32
● 2017-07-06 02:02:04
○ 2026-02-17 03:43:36
○ 2026-03-23 10:21:00

○NSns1.dcmanaged.com2015-07-21 → 2017-07-06 · 4 obs

● 2015-07-21 21:06:32
● 2017-07-06 02:02:04
○ 2026-02-17 03:43:36
○ 2026-03-23 10:21:00

●MXchecksafetyfirst-com.mail.protection.outlook.com2026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-06 02:02:04
● 2026-02-17 03:43:36
● 2026-03-23 10:21:00

○MXcsfemail01.dcmanaged.com2015-07-21 → 2017-07-06 · 4 obs

● 2015-07-21 21:06:32
● 2017-07-06 02:02:04
○ 2026-02-17 03:43:36
○ 2026-03-23 10:21:00

○MXmail.checksafetyfirst.com2015-07-21 → 2017-07-06 · 4 obs

● 2015-07-21 21:06:32
● 2017-07-06 02:02:04
○ 2026-02-17 03:43:36
○ 2026-03-23 10:21:00

○A194.106.223.1822015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 21:06:32
○ 2015-09-05 06:17:58
○ 2026-03-23 10:21:00

○A194.106.223.552015-09-05 → 2017-07-06 · 5 obs

○ 2015-07-21 21:06:32
● 2015-09-05 06:17:58
● 2017-07-06 02:02:04
○ 2026-02-17 03:43:36
○ 2026-03-23 10:21:00

●A45.223.19.2142026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-06 02:02:04
● 2026-02-17 03:43:36
● 2026-03-23 10:21:00

●A45.223.25.2142026-02-17 → 2026-03-23 · 3 obs

○ 2017-07-06 02:02:04
● 2026-02-17 03:43:36
● 2026-03-23 10:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
checksafetyfirst.com	dns1.cscdns.net, dns2.cscdns.net	-

✅ Authoritative Response

Server:156.154.131.100

NS records: dns1.cscdns.net, dns2.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checksafetyfirst.com (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`45.223.25.214, 45.223.19.214`
NS	2	`dns1.cscdns.net, dns2.cscdns.net`
MX	1	`checksafetyfirst-com.mail.protection.out`
TXT	5	`v=spf1 include:spf.protection.outlook.co, globalsign-domain-verification=7EAF27E7B...`
SOA	1	`dns1.cscdns.net hostmaster.cscdns.net`

Analysis

Hierarchy

The parent of mail.checksafetyfirst.com is checksafetyfirst.com.

IP Addresses

checksafetyfirst.com points to two IP numbers: 45.223.19.214 and 45.223.25.214.

Name Servers

checksafetyfirst.com is delegated to two name servers: dns1.cscdns.net and dns2.cscdns.net.

checksafetyfirst.com uses the same name server setup as other domains, for instance tiger-beer.de, maison-artsetmetiers.fr, blueribbon.build, topchoicelumberproducts.com and bostonfest.com.

checksafetyfirst.com partially shares name servers with other domains, for instance hawaiianairlinesvisa.com.

Host names with two IP numbers:

The host dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100.

The host dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.

Mail Servers

The mail server for checksafetyfirst.com is checksafetyfirst-com.mail.protection.outlook.com.

Host checksafetyfirst-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::7, 52.101.68.12, 52.101.68.16, 52.101.73.11 and 52.101.73.28.

checksafetyfirst.com - robtex.com