`com-bielefeld.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.2^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 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.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 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.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`combielefeld-com0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms24936188`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-09-10 #15

`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=1771291435

Same first word

com-bielefeld.com

DNS History

12 records (6 active, 6 former)

●NSns.udag.de2015-11-07 → 2026-03-23 · 3 obs

○ 2015-07-03 10:36:26
● 2015-11-07 03:07:06
● 2026-03-23 03:04:56

●NSns.udag.net2015-11-07 → 2026-03-23 · 3 obs

○ 2015-07-03 10:36:26
● 2015-11-07 03:07:06
● 2026-03-23 03:04:56

●NSns.udag.org2015-11-07 → 2026-03-23 · 3 obs

○ 2015-07-03 10:36:26
● 2015-11-07 03:07:06
● 2026-03-23 03:04:56

○NSns.udagdns.de2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 10:36:26
○ 2015-11-07 03:07:06
○ 2026-03-23 03:04:56

○NSns.udagdns.net2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 10:36:26
○ 2015-11-07 03:07:06
○ 2026-03-23 03:04:56

●MXcombielefeld-com0i.mail.protection.outlook.com2026-02-24 → 2026-03-23 · 3 obs

○ 2020-02-28 13:57:48
● 2026-02-24 02:59:40
● 2026-03-23 03:04:56

○MXmail.com-bielefeld.com2015-07-03 → 2020-02-28 · 4 obs

● 2015-07-03 10:36:26
● 2020-02-28 13:57:48
○ 2026-02-24 02:59:40
○ 2026-03-23 03:04:56

●A2001:8d8:100f:f000::2002026-02-24 → 2026-03-23 · 3 obs

○ 2020-02-28 13:57:48
● 2026-02-24 02:59:40
● 2026-03-23 03:04:56

●A217.160.0.22026-02-24 → 2026-03-23 · 3 obs

○ 2020-02-28 13:57:48
● 2026-02-24 02:59:40
● 2026-03-23 03:04:56

○A89.31.143.12015-11-07 → 2020-02-28 · 7 obs

○ 2015-07-03 10:36:26
● 2015-11-07 03:07:06
○ 2016-01-25 13:51:26
○ 2017-02-08 11:51:08
● 2020-02-28 13:57:48
○ 2026-02-24 02:59:40
○ 2026-03-23 03:04:56

○A89.31.143.132015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 10:36:26
○ 2015-11-07 03:07:06
○ 2026-03-23 03:04:56

○A89.31.143.162016-01-25 → 2017-02-08 · 5 obs

○ 2015-11-07 03:07:06
● 2016-01-25 13:51:26
● 2017-02-08 11:51:08
○ 2020-02-28 13:57:48
○ 2026-03-23 03:04:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
com-bielefeld.com	ns.udag.de, ns.udag.net, ns.udag.org	-

✅ Authoritative Response

Server:217.160.80.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com-bielefeld.com (unsigned zone)

⏱️ Timing

Total: 1817ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.2`
AAAA	1	`2001:8d8:100f:f000::200`
NS	3	`ns.udag.de, ns.udag.org...`
MX	1	`combielefeld-com0i.mail.protection.outlo`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms24936188`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

Analysis

IP Addresses

com-bielefeld.com resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.2.

Other host names, for instance actiformation.fr, twowheeledengineering.com, kalimind.eu, declanstewartjoinery.com and ceiciudadexpo.com share IP numbers with com-bielefeld.com.

Name Servers

com-bielefeld.com is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

com-bielefeld.com partially shares name servers with other domains; examples include blaupunkt.com.mx, angolo.ro, bonn.tours, movesportwelt.de and ewie.name.

Host names with two IP numbers:

ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253.

ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253.

ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.

Mail Servers

com-bielefeld.com is handled by a single mail server, combielefeld-com0i.mail.protection.outlook.com.

Hostname combielefeld-com0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.

com-bielefeld.com - robtex.com