`fortresssecurity.de`

DNSSEC	⚠️ Not signed
A	92.205.26.143^{🇫🇷 GODADDY-SXB92.205.0.0/19 GD MASS Network}
		PTR	`143.26.205.92.host.secureserver.net`
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 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	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 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	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mail.fortresssecurity.de` ⭐
		A	92.205.26.143^{🇫🇷 GODADDY-SXB92.205.0.0/19 GD MASS Network}
			PTR	`143.26.205.92.host.secureserver.net`
TXT	`v=spf1 include:_spf.google.com include:secureserver.net ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-10-02 #9

`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=1786752588

Subdomains

mail.fortresssecurity.de

Same first word

fortresssecurity.de

fortresssecurity.com

fortresssecurity.xyz

Similar names

securityfortress.com

DNS History

7 records (5 active, 2 former)

●NSns.udag.de2015-08-06 → 2026-08-15 · 2 obs

● 2015-08-06 23:28:16
● 2026-08-15 00:34:36

●NSns.udag.net2015-08-06 → 2026-08-15 · 2 obs

● 2015-08-06 23:28:16
● 2026-08-15 00:34:36

●NSns.udag.org2015-08-06 → 2026-08-15 · 2 obs

● 2015-08-06 23:28:16
● 2026-08-15 00:34:36

●MXmail.fortresssecurity.de2015-08-06 → 2026-08-15 · 2 obs

● 2015-08-06 23:28:16
● 2026-08-15 00:34:36

○A62.75.247.2112015-08-06 → 2017-08-30 · 4 obs

● 2015-08-06 23:28:16
● 2017-08-30 21:12:58
○ 2026-02-17 08:30:44
○ 2026-08-15 00:34:36

○A89.31.143.902026-02-17 → 2026-08-15 · 2 obs

○ 2026-02-17 08:30:44
○ 2026-08-15 00:34:36

●A92.205.26.1432026-02-17 → 2026-08-15 · 3 obs

○ 2017-08-30 21:12:58
● 2026-02-17 08:30:44
● 2026-08-15 00:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
fortresssecurity.de	ns.udag.net, ns.udag.de, ns.udag.org	2 records

✅ Authoritative Response

Server:185.132.34.253

NS records: ns.udag.net, ns.udag.de, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fortresssecurity.de (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.205.26.143`
NS	3	`ns.udag.org, ns.udag.de...`
MX	1	`mail.fortresssecurity.de (pri: 10)`
TXT	1	`v=spf1 include:_spf.google.com include:s`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

Hierarchy

The domain mail.fortresssecurity.de falls under the parent fortresssecurity.de.

IP Addresses

fortresssecurity.de resolves to just one IP address, 92.205.26.143.

Among others, www.keule-tettau.eu, 143.26.205.92.host.secureserver.net, mail.fortresssecurity.de and mail.keule-tettau.eu resolve to the same IP numbers as fortresssecurity.de.

Name Servers

The authoritative name servers for fortresssecurity.de are ns.udag.de, ns.udag.net and ns.udag.org — three in total.

At least some of fortresssecurity.de's name servers are shared with other domains, for example therawis.com, express-(0x736578).de, utgard.eu and two more.

ns.udag.de, ns.udag.net and ns.udag.org all resolve to exactly two IP numbers apiece: ns.udag.de → 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253; ns.udag.net → 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253; ns.udag.org → 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

The sole mail server for fortresssecurity.de is mail.fortresssecurity.de.

Mail server setup for fortresssecurity.de matches that of other domains, among them mail.fortresssecurity.de.

mail.fortresssecurity.de directs to just one IP number, 92.205.26.143.

fortresssecurity.de - robtex.com