`system.ag`

DNSSEC	⚠️ Not signed
A	65.109.31.89^{🇫🇮 Hetzner65.109.0.0/16 HETZNER-DC}
		PTR	`srv6.ruttkamp.com`
NS	`ns01.ruttkamp.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 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	`ns-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`ns02.ruttkamp.com`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 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	`ns-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`ns03.ruttkamp.com`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`ns04.ruttkamp.com`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`system-ag.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`JgdGlg0FYnWZMeCBNJ9mweVGduKm0audsKIZjoSyVtGHyIjfB9sb80hZLz2LlrmK3nv/7zAfTLmC/...`
TXT	`v=spf1 a mx ip4:65.109.31.89 include:_spf_eucentral1.prod.hydra.sophos.com in...`
TXT	`sophos-domain-verification=d608ad68ad8df222bca79832fe36c818e764daa9a6ff97e88c...`
TXT	`google-site-verification=r1vuytCfvpuIgmkRBJmhoc7COGTGBEb4mfGvVhen4gk`
TXT	`MS=ms40276602`
SOA	`ns01.ruttkamp.com`andreas@ruttkamp.de 2025-11-12 #3

`ag`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.cctld.afilias-nst.info` ⭐
	NS	`a2.cctld.afilias-nst.info`
	NS	`b0.cctld.afilias-nst.org`
	NS	`b2.cctld.afilias-nst.org`
	NS	`c0.cctld.afilias-nst.info`
	NS	`d0.cctld.afilias-nst.org`
	SOA	`a0.cctld.afilias-nst.info`hostmaster@donuts.email serial=1778333887

Subdomains

exgmail.system.ag

167.system.ag

mail.system.ag

*.system.ag

www.system.ag

Same first word

system.com.eg

system.fitness

system.eu

system.bg

system.de

system.uk.com

system.nu

system.com.es

system.watch

system.se

system.ooo

system.band

system.dp.ua

system.parts

system.group

system.ne.jp

system.tools

system.clothing

system.it

system.ee

system.ddnss.de

system.net.au

system.agency

system.dk

system.energy

system.ag

system.archi

system.expert

system.co.il

system.eu.com

system.sg

system.pl

system.su

system.tw

system.vc

system.org

system.gr

system.cl

system.zip

system.edu.pl

system.services

system.at

system.ba

system.info.pl

system.com

system.com.ua

system.vision

system.co.th

system.properties

system.cc

system.la

system.hu

system.cm

system.exchange

system.ro

system.jp

system.sh

system.co.uk

system.io

system.si

system.partners

system.app

system.com.lk

system.ua

system.biz

system.supplies

system.solar

system.net.ru

system.uy

system.in.ua

system.dev

system.tips

system.lv

system.szczecin.pl

system.net

system.ae

system.im

system.world

system.domains

system.web.id

system.guide

system.com.tr

system.tv

system.com.pa

system.ist

system.bz

system.wine

system.taxi

system.org.pl

system.blue

system.repair

system.zone

system.dj

system.fail

system.co.rs

system.id.vn

system.is

system.directory

system.bio

system.es

Similar names

metsys.se

tmesys.info

system.co

system.pt

system.pe.kr

system.direct

system.kz

emsyst.de

system.info

system.cz

system.me

system.management

system.bet

system.surf

sytsem.com

system.co.zw

system.co.jp

system.my.id

mystes.org

system.com.ru

metsys.it

stemys.ch

sysmet.co.jp

emsyst.net

sysmet.jp

sysmet.com

mestys.cz

emsyst.at

emsyst.sk

sysmet.ru

tmesys.com

metyss.com

emsyst.ch

yessmt.com

metsys.eu

tmesys.net

stemys.com

metsys.org

esystm.com

sysmet.it

metsys.hu

DNS History

12 records (6 active, 6 former)

●NSns01.ruttkamp.com2015-07-13 → 2026-05-09 · 2 obs

● 2015-07-13 23:49:28
● 2026-05-09 14:11:22

●NSns02.ruttkamp.com2015-07-13 → 2026-05-09 · 2 obs

● 2015-07-13 23:49:28
● 2026-05-09 14:11:22

●NSns03.ruttkamp.com2015-07-13 → 2026-05-09 · 2 obs

● 2015-07-13 23:49:28
● 2026-05-09 14:11:22

●NSns04.ruttkamp.com2015-07-13 → 2026-05-09 · 2 obs

● 2015-07-13 23:49:28
● 2026-05-09 14:11:22

○MX144.76.78.167.system.ag2015-07-13 → 2017-01-17 · 7 obs

● 2015-07-13 23:49:28
● 2016-04-17 15:36:10
○ 2016-07-19 05:37:50
● 2016-09-01 08:05:48
● 2017-01-17 03:38:46
○ 2020-11-13 02:49:20
○ 2026-05-09 14:11:22

○MXd300912.a.ess.de.barracudanetworks.com2020-11-13 → 2020-11-13 · 4 obs

○ 2017-01-17 03:38:46
● 2020-11-13 02:49:20
○ 2026-02-15 21:35:26
○ 2026-05-09 14:11:22

○MXd300912.b.ess.de.barracudanetworks.com2020-11-13 → 2020-11-13 · 4 obs

○ 2017-01-17 03:38:46
● 2020-11-13 02:49:20
○ 2026-02-15 21:35:26
○ 2026-05-09 14:11:22

●MXsystem-ag.mail.protection.outlook.com2026-02-15 → 2026-05-09 · 3 obs

○ 2020-11-13 02:49:20
● 2026-02-15 21:35:26
● 2026-05-09 14:11:22

○MXsystem.ag.pri-mx.eu0102.smtproutes.com2016-07-19 → 2017-01-17 · 5 obs

○ 2016-04-17 15:36:10
● 2016-07-19 05:37:50
● 2017-01-17 03:38:46
○ 2020-11-13 02:49:20
○ 2026-05-09 14:11:22

○A144.76.78.1672015-07-13 → 2017-01-17 · 4 obs

● 2015-07-13 23:49:28
● 2017-01-17 03:38:46
○ 2020-11-13 02:49:20
○ 2026-05-09 14:11:22

●A65.109.31.892026-02-15 → 2026-05-09 · 3 obs

○ 2020-11-13 02:49:20
● 2026-02-15 21:35:26
● 2026-05-09 14:11:22

○A95.216.20.2162020-11-13 → 2020-11-13 · 4 obs

○ 2017-01-17 03:38:46
● 2020-11-13 02:49:20
○ 2026-02-15 21:35:26
○ 2026-05-09 14:11:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ag	b2.cctld.afilias-nst.org, d0.cctld.afilias-nst.org, a2.cctld.afilias-nst.info, b0.cctld.afilias-nst.org...	12 records
system.ag	ns02.ruttkamp.com, ns04.ruttkamp.com, ns01.ruttkamp.com, ns03.ruttkamp.com	-

✅ Authoritative Response

Server:185.132.34.227

NS records: ns02.ruttkamp.com, ns04.ruttkamp.com, ns01.ruttkamp.com, ns03.ruttkamp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system.ag (unsigned zone)

⏱️ Timing

Total: 372ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.109.31.89`
NS	4	`ns03.ruttkamp.com, ns04.ruttkamp.com...`
MX	1	`system-ag.mail.protection.outlook.com (p`
TXT	5	`sophos-domain-verification=d608ad68ad8df, MS=ms40276602...`
SOA	1	`ns01.ruttkamp.com andreas.ruttkamp.de`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (b2.cctld.afilias-nst.org, b2.cctld.afilias-nst.org, d0.cctld.afilias-nst.org...)

Analysis

Hierarchy

system.ag is a parent of exgmail.system.ag, 167.system.ag, mail.system.ag, *.system.ag and www.system.ag.

IP Addresses

system.ag points to a single IP number: 65.109.31.89.

Other host names, for instance www.lds.de, *.system.ag, www.system.ag, sage-duesseldorf.de and sage-experten.de share IP numbers with system.ag.