authserv.de - dns.ninja

`authserv.de`

DNSSEC	⚠️ Not signed
A	81.88.34.109^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host335.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 2026-01-20 #1

`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=1784312455

Subdomains

mail.authserv.de

Same first word

authserv.com

authserv.ca

authserv.de

Similar names

DNS History

11 records (6 active, 5 former)

●NScns1.alfahosting.info2026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

●NScns2.alfahosting.info2026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

●NScns3.alfahosting.info2026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

○NSns5.kasserver.com2015-06-22 → 2017-09-03 · 4 obs

● 2015-06-22 09:04:46
● 2017-09-03 02:15:54
○ 2026-02-22 02:59:20
○ 2026-07-17 18:49:20

○NSns6.kasserver.com2015-06-22 → 2017-09-03 · 4 obs

● 2015-06-22 09:04:46
● 2017-09-03 02:15:54
○ 2026-02-22 02:59:20
○ 2026-07-17 18:49:20

○MXmail.authserv.de2015-06-22 → 2016-12-05 · 4 obs

● 2015-06-22 09:04:46
● 2016-12-05 23:18:00
○ 2017-09-03 02:15:54
○ 2026-07-17 18:49:20

●MXmx03.secure-mailgate.com2026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

●MXmx04.secure-mailgate.com2026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

○MXw008744f.kasserver.com2017-09-03 → 2017-09-03 · 4 obs

○ 2016-12-05 23:18:00
● 2017-09-03 02:15:54
○ 2026-02-22 02:59:20
○ 2026-07-17 18:49:20

●A81.88.34.1092026-02-22 → 2026-07-17 · 3 obs

○ 2017-09-03 02:15:54
● 2026-02-22 02:59:20
● 2026-07-17 18:49:20

○A85.13.148.1882015-06-22 → 2017-09-03 · 4 obs

● 2015-06-22 09:04:46
● 2017-09-03 02:15:54
○ 2026-02-22 02:59:20
○ 2026-07-17 18:49:20

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authserv.de (unsigned zone)

⏱️ Timing

Total: 2492ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.109`
NS	3	`cns1.alfahosting.info, cns2.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

authserv.de serves as the parent of mail.authserv.de.

IP Addresses

authserv.de resolves to just one IP address, 81.88.34.109.

Two other host names, along with mail.hp-baumann.de, host335.alfahosting-server.de and ns1.pflegefee.com, also share IP numbers with authserv.de.

Name Servers

authserv.de carries NS records delegating to cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

authserv.de has at least partial name server overlap with other domains, such as xn--kiefer-mbel-yfb.com, smilemike.com, md-network.de and two others.

cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info are three hostnames that each resolve to a pair of 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

authserv.de is served by two mail servers, mx03.secure-mailgate.com and mx04.secure-mailgate.com.

Among the domains sharing a mail server setup with authserv.de are treuboden.com, info-team.org, lieblingskollege.com and two others.

mx03.secure-mailgate.com and mx04.secure-mailgate.com both carry two IP addresses. The A records for mx03.secure-mailgate.com are 46.243.88.174 and 46.243.88.176; the A records for mx04.secure-mailgate.com are 46.243.88.175 and 46.243.88.177.