class3.com - dns.ninja

`class3.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	74.208.236.86^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1039.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5327:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.org`
		A	217.160.83.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.org`
NS	`ns1039.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5127:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.biz`
		A	217.160.81.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.biz`
NS	`ns1039.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5227:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.com`
		A	217.160.82.39^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1039.ui-dns.com`
NS	`ns1039.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:39^{🇺🇸 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	`ns1039.ui-dns.de`
		A	185.132.32.39^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1039.ui-dns.de`
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	`ns1039.ui-dns.org`hostmaster@1and1.com 2016-07-25 #7

`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=1783793972

Same first word

class3.how

class3.co.uk

class3.it

class3.k12.ar.us

class3.com

Similar names

3class.com

DNS History

15 records (8 active, 7 former)

●NSns1039.ui-dns.biz2018-11-06 → 2026-07-11 · 3 obs

○ 2016-12-26 00:55:00
● 2018-11-06 15:52:20
● 2026-07-11 18:45:56

●NSns1039.ui-dns.com2018-11-06 → 2026-07-11 · 3 obs

○ 2016-12-26 00:55:00
● 2018-11-06 15:52:20
● 2026-07-11 18:45:56

●NSns1039.ui-dns.de2018-11-06 → 2026-07-11 · 3 obs

○ 2016-12-26 00:55:00
● 2018-11-06 15:52:20
● 2026-07-11 18:45:56

●NSns1039.ui-dns.org2018-11-06 → 2026-07-11 · 3 obs

○ 2016-12-26 00:55:00
● 2018-11-06 15:52:20
● 2026-07-11 18:45:56

○NSns51.1and1.com2015-06-27 → 2016-12-26 · 4 obs

● 2015-06-27 01:42:08
● 2016-12-26 00:55:00
○ 2018-11-06 15:52:20
○ 2026-07-11 18:45:56

○NSns52.1and1.com2015-06-27 → 2016-12-26 · 4 obs

● 2015-06-27 01:42:08
● 2016-12-26 00:55:00
○ 2018-11-06 15:52:20
○ 2026-07-11 18:45:56

○MXmx00.1and1.com2015-06-27 → 2018-11-06 · 4 obs

● 2015-06-27 01:42:08
● 2018-11-06 15:52:20
○ 2026-03-17 00:19:10
○ 2026-07-11 18:45:56

●MXmx00.ionos.com2026-03-17 → 2026-07-11 · 3 obs

○ 2018-11-06 15:52:20
● 2026-03-17 00:19:10
● 2026-07-11 18:45:56

○MXmx01.1and1.com2015-06-27 → 2018-11-06 · 4 obs

● 2015-06-27 01:42:08
● 2018-11-06 15:52:20
○ 2026-03-17 00:19:10
○ 2026-07-11 18:45:56

●MXmx01.ionos.com2026-03-17 → 2026-07-11 · 3 obs

○ 2018-11-06 15:52:20
● 2026-03-17 00:19:10
● 2026-07-11 18:45:56

○A216.250.120.2522016-12-26 → 2016-12-26 · 4 obs

○ 2016-04-17 08:24:50
● 2016-12-26 00:55:00
○ 2018-11-06 15:52:20
○ 2026-07-11 18:45:56

●A2607:f1c0:100f:f000::2002026-03-17 → 2026-07-11 · 3 obs

○ 2018-11-06 15:52:20
● 2026-03-17 00:19:10
● 2026-07-11 18:45:56

○A74.208.236.772018-11-06 → 2018-11-06 · 4 obs

○ 2016-12-26 00:55:00
● 2018-11-06 15:52:20
○ 2026-03-17 00:19:10
○ 2026-07-11 18:45:56

●A74.208.236.862026-03-17 → 2026-07-11 · 3 obs

○ 2018-11-06 15:52:20
● 2026-03-17 00:19:10
● 2026-07-11 18:45:56

○A74.208.29.1192015-06-27 → 2016-04-17 · 4 obs

● 2015-06-27 01:42:08
● 2016-04-17 08:24:50
○ 2016-12-26 00:55:00
○ 2026-07-11 18:45:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
class3.com	ns1039.ui-dns.de, ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.39

NS records: ns1039.ui-dns.de, ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class3.com (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.86`
AAAA	1	`2607:f1c0:100f:f000::200`
NS	4	`ns1039.ui-dns.biz, ns1039.ui-dns.com...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1039.ui-dns.org hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1039.ui-dns.com, ns1039.ui-dns.com)

Analysis

IP Addresses

class3.com resolves to the IP addresses 74.208.236.86 and 2607:f1c0:100f:f000::200

Additional host names — sfscrap.net, nacba.info, ventasoft.com.mx and two others — share IP numbers with class3.com.

Name Servers

class3.com has four authoritative name servers: ns1039.ui-dns.biz, ns1039.ui-dns.com, ns1039.ui-dns.de and ns1039.ui-dns.org.

class3.com has at least partial name server overlap with other domains, such as algo-trading.de, maennl.name, robert-obermaier.de and two others.

It is common to see these name servers used together with name servers ns1046.ui-dns.de and ns1072.ui-dns.com.

ns1039.ui-dns.biz, ns1039.ui-dns.com, ns1039.ui-dns.de and ns1039.ui-dns.org all point to exactly two IP numbers each: ns1039.ui-dns.biz → 217.160.81.39 and 2001:8d8:fe:53:0:d9a0:5127:100; ns1039.ui-dns.com → 217.160.82.39 and 2001:8d8:fe:53:0:d9a0:5227:100; ns1039.ui-dns.de → 185.132.32.39 and 2607:f1c0:fe:53:185:132:32:39; ns1039.ui-dns.org → 217.160.83.39 and 2001:8d8:fe:53:0:d9a0:5327:100.

Mail Servers

class3.com has two mail servers: mx00.ionos.com and mx01.ionos.com.

class3.com shares the same mail server setup as other domains, including latheandlaser.com, supcotool.com, corering.net and two others.

The mail servers of class3.com are at least partially shared with other domains, including estatepreservers.com.

mx00.ionos.com directs to 74.208.5.3 and mx01.ionos.com directs to 74.208.5.21; each host name points to exactly one IP number.