`alexschul.de`

DNSSEC	⚠️ Not signed
A	31.47.255.219^{🇩🇪 CLOUDPIT31.47.240.0/20}
		PTR	`web33.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 2025-04-02 #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=1778428880

Subdomains

www.alexschul.de

Same first word

alexschul.de

DNS History

9 records (6 active, 3 former)

●NScns1.alfahosting.info2015-06-24 → 2026-05-10 · 2 obs

● 2015-06-24 00:25:00
● 2026-05-10 16:04:34

●NScns2.alfahosting.info2015-06-24 → 2026-05-10 · 2 obs

● 2015-06-24 00:25:00
● 2026-05-10 16:04:34

●NScns3.alfahosting.info2015-06-24 → 2026-05-10 · 2 obs

● 2015-06-24 00:25:00
● 2026-05-10 16:04:34

○MXmail.alexschul.de2015-06-24 → 2018-07-02 · 4 obs

● 2015-06-24 00:25:00
● 2018-07-02 11:41:08
○ 2026-03-29 23:04:36
○ 2026-05-10 16:04:34

●MXmx03.secure-mailgate.com2026-03-29 → 2026-05-10 · 3 obs

○ 2018-07-02 11:41:08
● 2026-03-29 23:04:36
● 2026-05-10 16:04:34

●MXmx04.secure-mailgate.com2026-03-29 → 2026-05-10 · 3 obs

○ 2018-07-02 11:41:08
● 2026-03-29 23:04:36
● 2026-05-10 16:04:34

○A109.237.133.2072015-11-01 → 2018-07-02 · 5 obs

○ 2015-06-24 00:25:00
● 2015-11-01 04:36:22
● 2018-07-02 11:41:08
○ 2026-03-29 23:04:36
○ 2026-05-10 16:04:34

●A31.47.255.2192026-03-29 → 2026-05-10 · 3 obs

○ 2018-07-02 11:41:08
● 2026-03-29 23:04:36
● 2026-05-10 16:04:34

○A94.101.39.12015-06-24 → 2015-06-24 · 3 obs

● 2015-06-24 00:25:00
○ 2015-11-01 04:36:22
○ 2026-05-10 16:04:34

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for alexschul.de (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.47.255.219`
NS	3	`cns3.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

alexschul.de is parent of www.alexschul.de.

IP Addresses

alexschul.de points to a single IP: 31.47.255.219.

Other host names, for instance ms74132382.msv1.invalid.dialog-hr.de, mail.drlennertz.de, fewo-kf.de, denktech.de and theater-oberau.de share IP numbers with alexschul.de.

Name Servers

alexschul.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

alexschul.de at least partially shares its name servers with other domains, for instance fw-rohr.de, anton-s.de, zedersan.de, cnc-exner.de and olympia-bocholt.de.