`borderline-info.de`

DNSSEC	⚠️ Not signed
A	5.44.111.12^{🇩🇪 ONE-NETWORK5.44.108.0/22}
		PTR	`web37.alfahosting-server.de`
NS	`cns1.alfahosting.info` ⭐
		A	2a01:64c0:0:5000::8^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`cns1.cloudpit.de`
		A	109.237.142.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns1.cloudpit.de`
NS	`cns2.alfahosting.info`
		A	2a01:4f8:2b02:a88::105^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`cns2.cloudpit.com`
		A	148.251.254.105^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`cns2.cloudpit.com`
NS	`cns3.alfahosting.info`
		A	2a02:2b80:101:5000::8^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`cns3.cloudpit.io`
		A	109.237.143.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns3.cloudpit.io`
MX	`mx03.secure-mailgate.com` ⭐
		A	46.243.88.174^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.176^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
MX	`mx04.secure-mailgate.com` ⭐
		A	46.243.88.175^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.177^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting@de 2026-06-11 #2

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785064014

Subdomains

mail.borderline-info.de

Same first word

borderline-info.de

DNS History

14 records (6 active, 8 former)

●NScns1.alfahosting.info2019-02-18 → 2026-07-26 · 3 obs

○ 2017-02-11 20:39:10
● 2019-02-18 09:07:40
● 2026-07-26 11:08:12

●NScns2.alfahosting.info2019-02-18 → 2026-07-26 · 3 obs

○ 2017-02-11 20:39:10
● 2019-02-18 09:07:40
● 2026-07-26 11:08:12

●NScns3.alfahosting.info2019-02-18 → 2026-07-26 · 3 obs

○ 2017-02-11 20:39:10
● 2019-02-18 09:07:40
● 2026-07-26 11:08:12

○NSns1.sedoparking.com2015-07-19 → 2017-02-11 · 4 obs

● 2015-07-19 07:15:34
● 2017-02-11 20:39:10
○ 2019-02-18 09:07:40
○ 2026-07-26 11:08:12

○NSns2.sedoparking.com2015-07-19 → 2017-02-11 · 4 obs

● 2015-07-19 07:15:34
● 2017-02-11 20:39:10
○ 2019-02-18 09:07:40
○ 2026-07-26 11:08:12

○MXlocalhost2017-02-11 → 2017-02-11 · 4 obs

○ 2016-05-02 00:44:42
● 2017-02-11 20:39:10
○ 2019-02-18 09:07:40
○ 2026-07-26 11:08:12

○MXmail.borderline-info.de2019-02-18 → 2019-02-18 · 4 obs

○ 2017-02-11 20:39:10
● 2019-02-18 09:07:40
○ 2026-02-20 12:06:56
○ 2026-07-26 11:08:12

○MXmail.nickstel.com2015-07-19 → 2016-05-02 · 4 obs

● 2015-07-19 07:15:34
● 2016-05-02 00:44:42
○ 2017-02-11 20:39:10
○ 2026-07-26 11:08:12

●MXmx03.secure-mailgate.com2026-02-20 → 2026-07-26 · 3 obs

○ 2019-02-18 09:07:40
● 2026-02-20 12:06:56
● 2026-07-26 11:08:12

●MXmx04.secure-mailgate.com2026-02-20 → 2026-07-26 · 3 obs

○ 2019-02-18 09:07:40
● 2026-02-20 12:06:56
● 2026-07-26 11:08:12

○A109.237.133.2142019-02-18 → 2019-02-18 · 4 obs

○ 2017-02-11 20:39:10
● 2019-02-18 09:07:40
○ 2026-02-20 12:06:56
○ 2026-07-26 11:08:12

●A5.44.111.122026-02-20 → 2026-07-26 · 3 obs

○ 2019-02-18 09:07:40
● 2026-02-20 12:06:56
● 2026-07-26 11:08:12

○A72.52.4.1222017-02-11 → 2017-02-11 · 4 obs

○ 2016-05-02 00:44:42
● 2017-02-11 20:39:10
○ 2019-02-18 09:07:40
○ 2026-07-26 11:08:12

○A72.52.4.912015-07-19 → 2016-05-02 · 4 obs

● 2015-07-19 07:15:34
● 2016-05-02 00:44:42
○ 2017-02-11 20:39:10
○ 2026-07-26 11:08:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
borderline-info.de	cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info	-

✅ Authoritative Response

Server:109.237.142.8

NS records: cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for borderline-info.de (unsigned zone)

⏱️ Timing

Total: 1235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.44.111.12`
NS	3	`cns2.alfahosting.info, cns3.alfahosting.info...`
MX	2	`mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10)`
SOA	1	`cns1.alfahosting.info hostmaster@alfahos`

Analysis

Hierarchy

mail.borderline-info.de is a subdomain of borderline-info.de.

IP Addresses

borderline-info.de resolves to one IP address: 5.44.111.12.

mail.mgv-kleingladenbach.de, orion2.de, www.sraczy.de and two other host names share IP numbers with borderline-info.de.

Name Servers

borderline-info.de is served by three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

The name servers of borderline-info.de overlap at least partially with those of other domains — among them perlich.de, sissi-franzl.com, kayserwear.de and two more.

The hostnames cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info each direct to two IP addresses — cns1.alfahosting.info to 109.237.142.8 and 2a01:64c0:0:5000::8, cns2.alfahosting.info to 148.251.254.105 and 2a01:4f8:2b02:a88::105, and cns3.alfahosting.info to 109.237.143.8 and 2a02:2b80:101:5000::8.

Mail Servers

Mail for borderline-info.de is handled by two mail servers — mx03.secure-mailgate.com and mx04.secure-mailgate.com.

borderline-info.de uses an identical mail server configuration to several other domains — among them gb-objekteinrichtungen.de, salzgrotte-sole.de, schauungen.de and two more.

borderline-info.de has mail servers in common with other domains — realschule-calvarienberg.de being one example.

mx03.secure-mailgate.com resolves to 46.243.88.174 and 46.243.88.176. Likewise, mx04.secure-mailgate.com resolves to 46.243.88.175 and 46.243.88.177 — two IP addresses apiece.

borderline-info.de - robtex.com