knowledge-base.at - dns.ninja

`knowledge-base.at`

DNSSEC	⚠️ Not signed
A	185.189.228.180^{🇩🇪 Hetzner185.189.228.0/24}
		PTR	`forward.domainxyz.de`
NS	`m.de.ha-dns.net` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`f2.de.ha-dns.net`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 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-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ka2.de.ha-dns.net`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`lxa.us.ha-dns.net`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 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-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
MX	`mx1a.fritz-services.com` ⭐
		A	138.201.32.33^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
			PTR	`smtp-h248641.fritz.gmbh`
MX	`mx1b.fritz-services.com` ⭐
		A	88.99.193.182^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
			PTR	`smtp-h500196.fritz.gmbh`
TXT	`v=spf1 include:fritz-services.com -all`
SOA	`m.de.ha-dns.net`do-not-reply@knowledge-base.at 2024-10-24 #1

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1785157202

Same first word

knowledge-base.biz

knowledge-base.at

knowledge-base.si

knowledge-base.bplaced.net

knowledge-base.com

knowledge-base.jp

knowledge-base.net

DNS History

13 records (7 active, 6 former)

●NSf2.de.ha-dns.net2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 12:13:48
● 2026-07-27 14:12:16

●NSka2.de.ha-dns.net2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 12:13:48
● 2026-07-27 14:12:16

●NSlxa.us.ha-dns.net2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 12:13:48
● 2026-07-27 14:12:16

●NSm.de.ha-dns.net2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 12:13:48
● 2026-07-27 14:12:16

○MXmx.me1.mails.mx2015-08-06 → 2016-06-22 · 4 obs

● 2015-08-06 12:13:48
● 2016-06-22 08:47:40
○ 2017-02-13 03:47:26
○ 2026-07-27 14:12:16

○MXmx1-me1.fritz-services.com2017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-22 08:47:40
● 2017-02-13 03:47:26
○ 2018-12-05 11:42:40
○ 2026-07-27 14:12:16

●MXmx1a.fritz-services.com2018-12-05 → 2026-07-27 · 3 obs

○ 2017-02-13 03:47:26
● 2018-12-05 11:42:40
● 2026-07-27 14:12:16

●MXmx1b.fritz-services.com2018-12-05 → 2026-07-27 · 3 obs

○ 2017-02-13 03:47:26
● 2018-12-05 11:42:40
● 2026-07-27 14:12:16

○MXmx2-me1.fritz-services.com2017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-22 08:47:40
● 2017-02-13 03:47:26
○ 2018-12-05 11:42:40
○ 2026-07-27 14:12:16

○MXmx2.mails.mx2015-08-06 → 2016-06-22 · 4 obs

● 2015-08-06 12:13:48
● 2016-06-22 08:47:40
○ 2017-02-13 03:47:26
○ 2026-07-27 14:12:16

○A185.141.201.1582017-02-13 → 2018-12-05 · 5 obs

○ 2016-06-22 08:47:40
● 2017-02-13 03:47:26
● 2018-12-05 11:42:40
○ 2026-04-04 07:51:04
○ 2026-07-27 14:12:16

●A185.189.228.1802026-04-04 → 2026-07-27 · 3 obs

○ 2018-12-05 11:42:40
● 2026-04-04 07:51:04
● 2026-07-27 14:12:16

○A87.119.205.482015-08-06 → 2016-06-22 · 4 obs

● 2015-08-06 12:13:48
● 2016-06-22 08:47:40
○ 2017-02-13 03:47:26
○ 2026-07-27 14:12:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	d.ns.at, j.ns.at, n.ns.at, r.ns.at...	-
knowledge-base.at	lxa.us.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net, f2.de.ha-dns.net	-

✅ Authoritative Response

Server:185.132.35.161

NS records: lxa.us.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net, f2.de.ha-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-base.at (unsigned zone)

⏱️ Timing

Total: 635ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.189.228.180`
NS	4	`f2.de.ha-dns.net, m.de.ha-dns.net...`
MX	2	`mx1a.fritz-services.com (pri: 100), mx1b.fritz-services.com (pri: 100)`
TXT	1	`v=spf1 include:fritz-services.com -all`
SOA	1	`m.de.ha-dns.net do-not-reply.knowledge-b`

Analysis

IP Addresses

knowledge-base.at directs to one IP number, which is 185.189.228.180.

Among the host names that share IP numbers with knowledge-base.at are ernst-glockzin.de, wv21309.domainxyz.de, bonnoeil.de and two others.

Name Servers

The domain knowledge-base.at is delegated to these four name servers: f2.de.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net and lxa.us.ha-dns.net.

There is at least partial name server overlap between knowledge-base.at and other domains — fornext.info, togu.de, rhine.at and two more among them.

These name servers tend to appear in combination with the name servers a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.

All four hostnames — f2.de.ha-dns.net, ka2.de.ha-dns.net, m.de.ha-dns.net and lxa.us.ha-dns.net — resolve to two IP numbers apiece: f2.de.ha-dns.net to 185.132.35.161 and 2607:f1c0:fe:53:185:132:35:161; ka2.de.ha-dns.net to 217.160.81.161 and 2001:8d8:fe:53:217:160:81:161; m.de.ha-dns.net to 217.160.80.161 and 2001:8d8:fe:53:217:160:80:161; lxa.us.ha-dns.net to 185.132.34.161 and 2607:f1c0:fe:53:185:132:34:161.

Mail Servers

The MX records for knowledge-base.at point to two mail servers: mx1a.fritz-services.com and mx1b.fritz-services.com.

knowledge-base.at has the same mail server arrangement as a number of other domains, for example djfeel.de, lendster.fr, xlflowers.de and two more.

knowledge-base.at partially shares its mail servers with other domains; known examples include einsashop.de, marilou.de and uweveronik.de.

mx1a.fritz-services.com → 138.201.32.33 and mx1b.fritz-services.com → 88.99.193.182: one IP number per host name.