`firstclasshc.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::200^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	74.208.236.35^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1058.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:58^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1058.ui-dns.de`
		A	217.160.80.58^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1058.ui-dns.de`
NS	`ns1019.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5113:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
		A	217.160.81.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
NS	`ns1023.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5217:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.com`
		A	217.160.82.23^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.com`
NS	`ns1061.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:533d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1061.ui-dns.org`
		A	217.160.83.61^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1061.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1058.ui-dns.de`hostmaster@1und1.com 2017-06-01 #12

`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=1776227872

Same first word

firstclasshc.com

DNS History

12 records (8 active, 4 former)

○NSns1.bluehost.com2015-07-18 → 2017-03-22 · 4 obs

● 2015-07-18 06:45:14
● 2017-03-22 20:10:40
○ 2026-03-01 15:48:30
○ 2026-04-15 05:08:22

●NSns1019.ui-dns.biz2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

●NSns1023.ui-dns.com2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

●NSns1058.ui-dns.de2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

●NSns1061.ui-dns.org2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

○NSns2.bluehost.com2015-07-18 → 2017-03-22 · 4 obs

● 2015-07-18 06:45:14
● 2017-03-22 20:10:40
○ 2026-03-01 15:48:30
○ 2026-04-15 05:08:22

○MXmail.firstclasshc.com2015-07-18 → 2017-03-22 · 4 obs

● 2015-07-18 06:45:14
● 2017-03-22 20:10:40
○ 2026-03-01 15:48:30
○ 2026-04-15 05:08:22

●MXmx00.ionos.com2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

●MXmx01.ionos.com2026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

●A2607:f1c0:100f:f000::2002026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

○A69.195.124.682015-07-18 → 2017-03-22 · 4 obs

● 2015-07-18 06:45:14
● 2017-03-22 20:10:40
○ 2026-03-01 15:48:30
○ 2026-04-15 05:08:22

●A74.208.236.352026-03-01 → 2026-04-15 · 3 obs

○ 2017-03-22 20:10:40
● 2026-03-01 15:48:30
● 2026-04-15 05:08:22

🔍 DNS Trace

Analysis

IP Addresses

firstclasshc.com points to two IP numbers: 2607:f1c0:100f:f000::200 and 74.208.236.35.

Other host names such as johnwess.com, brattstudio.com, baratar.net, daystarservices.net and gatetogreat.com share IPs with firstclasshc.com.

Name Servers

firstclasshc.com is delegated to four name servers: ns1019.ui-dns.biz, ns1023.ui-dns.com, ns1058.ui-dns.de and ns1061.ui-dns.org.

firstclasshc.com at least partially shares name servers with other domains, for instance shieling.org.uk, blinky.eu, 3dts.de, smc-gmbh.de and dktec.de.

These name servers are commonly used alongside ns1061.ui-dns.com, ns1061.ui-dns.de, ns1061.ui-dns.biz, ns1019.ui-dns.com, ns1023.ui-dns.biz, ns1058.ui-dns.biz, ns1058.ui-dns.com, ns1058.ui-dns.org, ns1023.ui-dns.de and ns1023.ui-dns.org.

Host names with two IP numbers: ns1019.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5113:100 and 217.160.81.19; ns1023.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5217:100 and 217.160.82.23; ns1058.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:58 and 217.160.80.58; ns1061.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:533d:100 and 217.160.83.61.

Mail Servers

firstclasshc.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

The mail server setup for firstclasshc.com matches that of other domains, for instance vances.net, aztech.guru, buickplanet.com, appspot.ca and whoisohm.com.

Host names with a single IP:

mx00.ionos.com points to 74.208.5.3.

mx01.ionos.com points to 74.208.5.21.

firstclasshc.com - robtex.com