classdump.org - dns.ninja

classdump.org

DNSSECโš ๏ธ Not signed
NSns1.your-server.de โญ
A2a01:4f8:0:1::5ddc:1๐Ÿ‡ฉ๐Ÿ‡ช Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102๐Ÿ‡ฉ๐Ÿ‡ช Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1๐Ÿ‡ฉ๐Ÿ‡ช Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242๐Ÿ‡ฉ๐Ÿ‡ช Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3๐Ÿ‡ฉ๐Ÿ‡ช NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4๐Ÿ‡ฉ๐Ÿ‡ช NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c06::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRbg-in-f27.1e100.net
A64.233.180.27๐Ÿ‡บ๐Ÿ‡ธ Google64.233.180.0/24
PTRon-in-f27.1e100.net
PTRpe-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
TXTgoogle-site-verification=GdWQSO9T1xhdGsbyR2QUKyrf9SWwA3eQ4UGzrahCQKc
TXTgoogle-gws-recovery-domain-verification=45159263
TXTgoogle-site-verification=A7fJLPMiN6BtO8VEFsEUH34leftnLOKylsCjGDat-cA
SOAns1.your-server.depostmaster@your-server.de 2025-12-12 #0

org

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa0.org.afilias-nst.info โญ โš ๏ธ Not in parent delegation
NSa2.org.afilias-nst.info โš ๏ธ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info โš ๏ธ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783830272
WOT: SAFE (60/100)

Subdomains

Same first word

DNS History

9 records (8 active, 1 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.deMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA72.32.231.8
โ—NSns.second-ns.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—NSns1.your-server.de2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—NSns3.second-ns.de2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—MXalt1.aspmx.l.google.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—MXalt2.aspmx.l.google.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—MXaspmx.l.google.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—MXaspmx2.googlemail.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—MXaspmx3.googlemail.com2015-08-03 โ†’ 2026-07-12 ยท 2 obs
โ— 2015-08-03 05:30:14
โ— 2026-07-12 04:51:50
โ—‹A72.32.231.82015-08-03 โ†’ 2026-02-15 ยท 4 obs
โ— 2015-08-03 05:30:14
โ— 2026-02-15 14:57:28
โ—‹ 2026-03-26 20:40:52
โ—‹ 2026-07-12 04:51:50

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
classdump.orgns.second-ns.com, ns1.your-server.de, ns3.second-ns.de-

โœ… Authoritative Response

Server:193.47.99.4

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for classdump.org (unsigned zone)

โฑ๏ธ Timing

Total: 1173ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS3ns1.your-server.de, ns3.second-ns.de...
MX5aspmx2.googlemail.com (pri: 10), aspmx3.googlemail.com (pri: 10)...
TXT3google-gws-recovery-domain-verification=, google-site-verification=A7fJLPMiN6BtO8V...
SOA1ns1.your-server.de postmaster.your-serve

Analysis

Hierarchy

classdump.org is the parent zone for mail.classdump.org.

Name Servers

classdump.org carries NS records delegating to ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

classdump.org partially shares its NS delegation with several other domains, including carpnature.de, jagdaktiv.de, no-poets.net and two others.

ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de are three hostnames that each resolve to a pair of IP addresses: ns.second-ns.com to 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de to 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

Mail for classdump.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by classdump.org are shared with other domains: alegria-formation.com, ns500699.ns500734.ns500699.ns500734.ns500693.ns500699.ns500734.ns500699.ns500734.ns500699.ns500693.ns500632.ns500588.ns500110.dtrkdll.com, ns500698.ns500759.ns500698.ns500736.ns500736.ns500698.ns500735.ns500576.ns500708.ns500652.ns500576.trackreceptor.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to two addresses: 64.233.180.27 and 2607:f8b0:4004:c06::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1a IP addresses.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.