`firstclass-uk.com`

DNSSEC	⚠️ Not signed
NS	`dns1.safenames.com` ⭐
		A	2a00:a900:8afe:10::1^{🇬🇧 SAFENAMES-AS2a00:a900:8afe::/48}
		A	185.191.160.1^{🇬🇧 SAFENAMES-AS185.191.160.0/24}
			PTR	`dns1.safenames.com`
NS	`dns2.safenames.net`
		A	2a00:a900:8afe:11::1^{🇬🇧 SAFENAMES-AS2a00:a900:8afe::/48}
		A	185.191.161.1^{🇬🇧 SAFENAMES-AS185.191.161.0/24}
			PTR	`dns2.safenames.net`
NS	`dns3.safenames.org`
		A	2a00:a900:8afe:12::1^{🇬🇧 SAFENAMES-AS2a00:a900:8afe::/48}
		A	185.191.162.1^{🇬🇧 SAFENAMES-AS185.191.162.0/24}
			PTR	`dns3.safenames.org`
MX	`mail.firstclass-uk.com` ⭐
SOA	`dns1.safenames.com`hostmaster@safenames.net 2020-03-03 #0

`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=1774454997

Subdomains

mail.firstclass-uk.com

www.firstclass-uk.com

Same first word

firstclass-uk.com

DNS History

8 records (4 active, 4 former)

●NSdns1.safenames.com2026-02-16 → 2026-03-25 · 3 obs

○ 2017-05-23 21:48:16
● 2026-02-16 13:49:32
● 2026-03-25 16:25:06

●NSdns2.safenames.net2026-02-16 → 2026-03-25 · 3 obs

○ 2017-05-23 21:48:16
● 2026-02-16 13:49:32
● 2026-03-25 16:25:06

●NSdns3.safenames.org2026-02-16 → 2026-03-25 · 3 obs

○ 2017-05-23 21:48:16
● 2026-02-16 13:49:32
● 2026-03-25 16:25:06

○NSns.opentext.com2015-08-16 → 2017-05-23 · 4 obs

● 2015-08-16 17:27:44
● 2017-05-23 21:48:16
○ 2026-02-16 13:49:32
○ 2026-03-25 16:25:06

○NSns0.opentext.com2015-08-16 → 2017-05-23 · 4 obs

● 2015-08-16 17:27:44
● 2017-05-23 21:48:16
○ 2026-02-16 13:49:32
○ 2026-03-25 16:25:06

○NSns2.opentext.com2015-08-16 → 2017-05-23 · 4 obs

● 2015-08-16 17:27:44
● 2017-05-23 21:48:16
○ 2026-02-16 13:49:32
○ 2026-03-25 16:25:06

○NSns3.opentext.com2015-08-16 → 2017-05-23 · 4 obs

● 2015-08-16 17:27:44
● 2017-05-23 21:48:16
○ 2026-02-16 13:49:32
○ 2026-03-25 16:25:06

●MXmail.firstclass-uk.com2015-08-16 → 2026-03-25 · 2 obs

● 2015-08-16 17:27:44
● 2026-03-25 16:25:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstclass-uk.com	dns1.safenames.com, dns2.safenames.net, dns3.safenames.org	2 records

✅ Authoritative Response

Server:185.191.160.1

NS records: dns1.safenames.com, dns2.safenames.net, dns3.safenames.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass-uk.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`dns2.safenames.net, dns1.safenames.com...`
MX	1	`mail.firstclass-uk.com (pri: 10)`
SOA	1	`dns1.safenames.com hostmaster.safenames.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.safenames.com, dns1.safenames.com)

Analysis

Hierarchy

firstclass-uk.com is a parent of mail.firstclass-uk.com and www.firstclass-uk.com.

Name Servers

firstclass-uk.com is delegated to three name servers: dns1.safenames.com, dns2.safenames.net and dns3.safenames.org.

At least part of the name servers for firstclass-uk.com are shared with other domains, for instance stiefel.com.mt, xrugbysevens.com, hkfirstteam.com, herpes.lt and lucozade.in.

Host names with two IP numbers:

dns1.safenames.com points to 2a00:a900:8afe:10::1 and 185.191.160.1

dns2.safenames.net points to 2a00:a900:8afe:11::1 and 185.191.161.1

dns3.safenames.org points to 2a00:a900:8afe:12::1 and 185.191.162.1

Mail Servers

The mail server for firstclass-uk.com is mail.firstclass-uk.com.

firstclass-uk.com - robtex.com