`kolb-eld.com`

DNSSEC	⚠️ Not signed
A	217.160.0.81^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-81.elastic-ssl.ui-r.com`
NS	`ns1121.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5379:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.org`
		A	217.160.83.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.org`
NS	`ns1121.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5179:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.biz`
		A	217.160.81.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.biz`
NS	`ns1121.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5279:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
		A	217.160.82.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
NS	`ns1121.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:121^{🇺🇸 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	`ns1121.ui-dns.de`
		A	217.160.80.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.de`
MX	`kolbeld-com01b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
MX	`mx2.kolb-eld.com`⁽¹⁰⁰⁾
		A	87.128.16.21^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`mx2.kolb-eld.com`
MX	`mx1.kolb-eld.com`⁽²⁰⁰⁾
		A	80.152.210.132^{🇩🇪 DTAG80.152.0.0/14 Deutsche Telekom AG, Internet service provider}
			PTR	`mx1.kolb-eld.com`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNLLULbtxKneiHEaDEW9L...`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKow+n0KovSz8SsqFpqgE...`
TXT	`apple-domain-verification=uWYmUFAW3r2n4WbL`
TXT	`+bI3gT6YC69FvhGQs/JB5lURqNiWqZ3v8F7M+/vpP7tj2HWPPx4va4KS8Cf61TCArqgsmffJhR1Wo...`
TXT	`MS=046A0D9552A6F5281DEFE7B53351E385312114BA`
TXT	`bw=UBdruNLD2zaodM2vb1Gr3iiK2eAbzTORui0t0iG1Jahe`
TXT	`v=spf1 mx a ip4:87.128.16.21/32 ip4:80.152.210.132/32 ip4:80.151.80.13/32 ip4...`
TXT	`brevo-code:438a49293df4770392e04a29ecb12ed9`
SOA	`ns1121.ui-dns.org`hostmaster@1und1.de 2016-11-05 #36

`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=1776040137

Subdomains

mx.kolb-eld.com

mx2.kolb-eld.com

mx1.kolb-eld.com

Same first word

kolb-eld.de

kolb-eld.com

DNS History

16 records (8 active, 8 former)

●NSns1121.ui-dns.biz2018-08-03 → 2026-04-13 · 3 obs

○ 2017-02-07 18:57:32
● 2018-08-03 09:19:16
● 2026-04-13 00:30:18

●NSns1121.ui-dns.com2018-08-03 → 2026-04-13 · 3 obs

○ 2017-02-07 18:57:32
● 2018-08-03 09:19:16
● 2026-04-13 00:30:18

●NSns1121.ui-dns.de2018-08-03 → 2026-04-13 · 3 obs

○ 2017-02-07 18:57:32
● 2018-08-03 09:19:16
● 2026-04-13 00:30:18

●NSns1121.ui-dns.org2018-08-03 → 2026-04-13 · 3 obs

○ 2017-02-07 18:57:32
● 2018-08-03 09:19:16
● 2026-04-13 00:30:18

○NSns39.1und1.de2007-11-11 → 2017-02-07 · 4 obs

● 2007-11-11 09:51:36
● 2017-02-07 18:57:32
○ 2018-08-03 09:19:16
○ 2026-04-13 00:30:18

○NSns40.1und1.de2007-11-11 → 2017-02-07 · 4 obs

● 2007-11-11 09:51:36
● 2017-02-07 18:57:32
○ 2018-08-03 09:19:16
○ 2026-04-13 00:30:18

●MXkolbeld-com01b.mail.protection.outlook.com2026-04-13 → 2026-04-13 · 3 obs

○ 2018-08-03 09:19:16
● 2026-04-13 00:30:16
● 2026-04-13 00:30:18

○MXmx.kolb-eld.com2015-07-02 → 2018-08-03 · 5 obs

○ 2007-11-11 09:51:36
● 2015-07-02 19:39:28
● 2018-08-03 09:19:16
○ 2026-04-13 00:30:16
○ 2026-04-13 00:30:18

○MXmx00.kundenserver.de2007-11-11 → 2018-08-03 · 4 obs

● 2007-11-11 09:51:36
● 2018-08-03 09:19:16
○ 2026-04-13 00:30:16
○ 2026-04-13 00:30:18

○MXmx01.kundenserver.de2007-11-11 → 2018-08-03 · 4 obs

● 2007-11-11 09:51:36
● 2018-08-03 09:19:16
○ 2026-04-13 00:30:16
○ 2026-04-13 00:30:18

●MXmx1.kolb-eld.com2026-04-13 → 2026-04-13 · 3 obs

○ 2018-08-03 09:19:16
● 2026-04-13 00:30:16
● 2026-04-13 00:30:18

●MXmx2.kolb-eld.com2026-04-13 → 2026-04-13 · 3 obs

○ 2018-08-03 09:19:16
● 2026-04-13 00:30:16
● 2026-04-13 00:30:18

○A178.16.61.1782015-07-02 → 2016-05-30 · 5 obs

○ 2007-11-11 09:51:36
● 2015-07-02 19:39:28
● 2016-05-30 09:54:56
○ 2017-02-07 18:57:32
○ 2026-04-13 00:30:18

●A217.160.0.812026-04-13 → 2026-04-13 · 3 obs

○ 2018-08-03 09:19:16
● 2026-04-13 00:30:16
● 2026-04-13 00:30:18

○A217.160.223.1332017-02-07 → 2018-08-03 · 5 obs

○ 2016-05-30 09:54:56
● 2017-02-07 18:57:32
● 2018-08-03 09:19:16
○ 2026-04-13 00:30:16
○ 2026-04-13 00:30:18

○A62.216.178.992007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 09:51:36
○ 2015-07-02 19:39:28
○ 2026-04-13 00:30:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...	-
kolb-eld.com	ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.121

NS records: ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kolb-eld.com (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.81`
NS	4	`ns1121.ui-dns.org, ns1121.ui-dns.biz...`
MX	3	`mx1.kolb-eld.com (pri: 200), kolbeld-com01b.mail.protection.outlook.c...`
TXT	8	`v=spf1 mx a ip4:87.128.16.21/32 ip4:80.1, bw=UBdruNLD2zaodM2vb1Gr3iiK2eAbzTORui0t0...`
SOA	1	`ns1121.ui-dns.org hostmaster.1und1.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1121.ui-dns.com, ns1121.ui-dns.com)

Analysis

Hierarchy

kolb-eld.com is a parent of mx.kolb-eld.com, mx2.kolb-eld.com and mx1.kolb-eld.com.

IP Addresses

kolb-eld.com resolves to a single IP address: 217.160.0.81.

Other host names including www.gaestehaus-resi.de, wgu.de, b-mag.de, hochzeitsmuehle-weddingstedt.de and www.casarusia.com share IP numbers with kolb-eld.com.

Name Servers

kolb-eld.com is delegated to four name servers: ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org.

kolb-eld.com at least partially shares name servers with other domains, including myvoice4you.de, gu2q.com, acmd.co.uk, schwimmverband.de and telecomsur.com.

These name servers are often used together with ns1067.ui-dns.org.

Hosts with two IP numbers:

Host ns1121.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5179:100 and 217.160.81.121

Host ns1121.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5279:100 and 217.160.82.121

Host ns1121.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:121 and 217.160.80.121

Host ns1121.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5379:100 and 217.160.83.121

Mail Servers

kolb-eld.com is handled by three mail servers: mx1.kolb-eld.com, mx2.kolb-eld.com and kolbeld-com01b.mail.protection.outlook.com.

Host names with eight IP numbers

The host name kolbeld-com01b.mail.protection.outlook.com points to 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::2, 52.101.68.12, 52.101.68.29, 52.101.68.39 and 52.101.73.24.

Host names with one IP number

The host name mx1.kolb-eld.com points to 80.152.210.132.

The host name mx2.kolb-eld.com points to 87.128.16.21.

kolb-eld.com - robtex.com

kolb-eld.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kolb-eld.com`

`com`