`gentlemanclass.com`

DNSSEC	⚠️ Not signed
A	40.71.248.74^{🇺🇸 Microsoft40.68.0.0/14}
NS	`ns1053.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5035:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.de`
		A	217.160.80.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.de`
NS	`ns1053.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5135:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.biz`
		A	217.160.81.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.biz`
NS	`ns1053.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5235:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.com`
		A	217.160.82.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.com`
NS	`ns1053.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5335:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1053.ui-dns.org`
		A	217.160.83.53^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1053.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	`ns1053.ui-dns.de`hostmaster@1and1.com 2015-10-08 #4

`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=1775975732

Same first word

gentlemanclass.com

DNS History

13 records (7 active, 6 former)

●NSns1053.ui-dns.biz2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

●NSns1053.ui-dns.com2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

●NSns1053.ui-dns.de2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

●NSns1053.ui-dns.org2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

○NSns51.1and1.com2015-08-18 → 2017-09-24 · 4 obs

● 2015-08-18 00:13:54
● 2017-09-24 03:57:08
○ 2026-03-13 05:18:52
○ 2026-04-12 07:03:20

○NSns52.1and1.com2015-08-18 → 2017-09-24 · 4 obs

● 2015-08-18 00:13:54
● 2017-09-24 03:57:08
○ 2026-03-13 05:18:52
○ 2026-04-12 07:03:20

○MXmx00.1and1.com2015-08-18 → 2017-09-24 · 4 obs

● 2015-08-18 00:13:54
● 2017-09-24 03:57:08
○ 2026-03-13 05:18:52
○ 2026-04-12 07:03:20

●MXmx00.ionos.com2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

○MXmx01.1and1.com2015-08-18 → 2017-09-24 · 4 obs

● 2015-08-18 00:13:54
● 2017-09-24 03:57:08
○ 2026-03-13 05:18:52
○ 2026-04-12 07:03:20

●MXmx01.ionos.com2026-03-13 → 2026-04-12 · 3 obs

○ 2017-09-24 03:57:08
● 2026-03-13 05:18:52
● 2026-04-12 07:03:20

○A104.154.20.2112016-04-03 → 2016-12-07 · 5 obs

○ 2015-12-23 11:39:10
● 2016-04-03 19:09:48
● 2016-12-07 16:46:58
○ 2017-09-24 03:57:08
○ 2026-04-12 07:03:20

○A198.27.83.1292015-08-18 → 2015-12-23 · 4 obs

● 2015-08-18 00:13:54
● 2015-12-23 11:39:10
○ 2016-04-03 19:09:48
○ 2026-04-12 07:03:20

●A40.71.248.742017-09-24 → 2026-04-12 · 3 obs

○ 2016-12-07 16:46:58
● 2017-09-24 03:57:08
● 2026-04-12 07:03:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
gentlemanclass.com	ns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.org, ns1053.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.53

NS records: ns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.org, ns1053.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gentlemanclass.com (unsigned zone)

⏱️ Timing

Total: 538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`40.71.248.74`
NS	4	`ns1053.ui-dns.biz, ns1053.ui-dns.de...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1053.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1053.ui-dns.com, ns1053.ui-dns.com)

Analysis

IP Addresses

gentlemanclass.com resolves to one IP number: 40.71.248.74.

Name Servers

gentlemanclass.com is delegated to four name servers: ns1053.ui-dns.biz, ns1053.ui-dns.com, ns1053.ui-dns.de and ns1053.ui-dns.org.

gentlemanclass.com at least partially shares name servers with other domains, for instance jetzthaus.de, software-easy.com, ags-automation.de, theorowdys.com and lapalma-spanischunterricht.com.

Host names with two IP numbers:

ns1053.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5135:100 and 217.160.81.53; ns1053.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5235:100 and 217.160.82.53; ns1053.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5035:100 and 217.160.80.53; ns1053.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5335:100 and 217.160.83.53.

Mail Servers

Two mail servers handle gentlemanclass.com: mx00.ionos.com and mx01.ionos.com.

gentlemanclass.com shares the same mail server setup as other domains, for instance jeddoumc.org, mbaodyssey.com, mail-office.org, continuum-universes.com and ifcacademy.org.

gentlemanclass.com shares mail servers with other domains to some extent, for instance radiatepilates.com.

Host names with one IP number:

mx00.ionos.com points to 74.208.5.3

mx01.ionos.com points to 74.208.5.21

gentlemanclass.com - robtex.com