`m-mainzer.de`

DNSSEC	⚠️ Not signed
A	193.25.234.133^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
		PTR	`ao.service.itrm.de`
NS	`dns2.heag.de` ⭐
		A	193.25.234.2^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
			PTR	`dns2.heag.de`
NS	`a.ns.ecotel.net`
		A	2001:4090::53:a^{🇩🇪 ECOTEL2001:4090::/32 ecotel communication ag}
			PTR	`a.ns.ecotel.net`
		A	195.185.185.196^{🇩🇪 ECOTEL195.185.0.0/16 ecotel communication ag}
			PTR	`a.ns.ecotel.net`
NS	`b.ns.ecotel.net`
		A	2001:4090::53:b^{🇩🇪 ECOTEL2001:4090::/32 ecotel communication ag}
			PTR	`b.ns.ecotel.net`
		A	62.26.26.66^{🇩🇪 ECOTEL62.26.0.0/15 ecotel communication ag}
			PTR	`b.ns.ecotel.net`
NS	`c.ns.ecotel.net`
		A	2a00:12c0:1010:7::c^{🇩🇪 FILOO-ASN2a00:12c0::/32 FILOO-2009085076 Filoo GmbH, Guetersloh}
			PTR	`c.ns.ecotel.net`
		A	109.75.176.47^{🇩🇪 FILOO-ASN109.75.176.0/20 global route for Filoo GmbH}
			PTR	`c.ns.ecotel.net`
NS	`dns.heag.de`
		A	193.25.234.1^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
			PTR	`dns.heag.de`
NS	`dns3.heag.de`
		A	193.25.234.3^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
			PTR	`dns3.heag.de`
MX	`mail21.itrm.de` ⭐
		A	193.25.234.21^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
			PTR	`mail21.itrm.de`
MX	`mail23.itrm.de` ⭐
		A	193.25.234.23^{🇩🇪 COUNTANDCARE193.25.224.0/20 COUNT+CARE Verwaltungs GmbH}
			PTR	`mail23.itrm.de`
TXT	`v=spf1 ip4:193.25.234.0/24 include:spf.protection.outlook.com -all`
TXT	`MS=ms20080693`
TXT	`ZmSIULgB+Nns4A+cHMX6zeEMrdGyAqlXy3CtUpeujb5IlDHbQNTxUjcn0nO+ChpJwYRmdJUVlcuF6...`
SOA	`dns.heag.de`dnsadmin@countandcare.de 2026-02-18 #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=1774589583

Subdomains

www.m-mainzer.de

Same first word

m-mainzer.de

DNS History

10 records (9 active, 1 former)

●NSa.ns.ecotel.net2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●NSb.ns.ecotel.net2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●NSc.ns.ecotel.net2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●NSdns.heag.de2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●NSdns2.heag.de2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●NSdns3.heag.de2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●MXmail21.itrm.de2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●MXmail23.itrm.de2018-09-26 → 2026-03-27 · 2 obs

● 2018-09-26 20:10:06
● 2026-03-27 05:33:28

●A193.25.234.1332026-03-25 → 2026-03-27 · 3 obs

○ 2018-09-26 20:10:06
● 2026-03-25 14:12:42
● 2026-03-27 05:33:28

○A193.25.234.2412018-09-26 → 2018-09-26 · 3 obs

● 2018-09-26 20:10:06
○ 2026-03-25 14:12:42
○ 2026-03-27 05:33:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
m-mainzer.de	a.ns.ecotel.net, b.ns.ecotel.net, c.ns.ecotel.net, dns.heag.de...	3 records

✅ Authoritative Response

Server:62.26.26.66

NS records: a.ns.ecotel.net, b.ns.ecotel.net, c.ns.ecotel.net, dns.heag.de, dns2.heag.de, dns3.heag.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for m-mainzer.de (unsigned zone)

⏱️ Timing

Total: 1244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.25.234.133`
NS	6	`b.ns.ecotel.net, c.ns.ecotel.net...`
MX	2	`mail21.itrm.de (pri: 10), mail23.itrm.de (pri: 10)`
TXT	3	`v=spf1 ip4:193.25.234.0/24 include:spf.p, ZmSIULgB+Nns4A+cHMX6zeEMrdGyAqlXy3CtUpeu...`
SOA	1	`dns.heag.de dnsadmin.countandcare.de`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns.heag.de, dns2.heag.de, dns3.heag.de)

Analysis

Hierarchy

The parent of www.m-mainzer.de is m-mainzer.de.

IP Addresses

m-mainzer.de points to a single IP number: 193.25.234.133.

Other host names, for example ese.heag.de, ao.service.itrm.de, www.m-mainzer.de and etech-rhein-main.de share IP numbers with m-mainzer.de.

Name Servers

m-mainzer.de delegates to six name servers: dns2.heag.de, dns3.heag.de, dns.heag.de, a.ns.ecotel.net, b.ns.ecotel.net and c.ns.ecotel.net.

m-mainzer.de shares name servers with other domains at least partially, for instance vvb.ag, campana-schott.org, e-ben.de, entega.com and fachmarktservice.de.