`mail.underwatertools.de`

	DNSSEC	⚠️ Not signed
	A	2a0a:4cc0:c0:102d:4aa:36ff:fe01:d6a7^{🇦🇹 netcup-AS2a0a:4cc0:c0::/43}
	A	152.53.135.200^{🇦🇹 netcup-AS152.53.132.0/22}

`underwatertools.de`

	DNSSEC	⚠️ Not signed
	A	2a0a:4cc0:c0:102d:4aa:36ff:fe01:d6a7^{🇦🇹 netcup-AS2a0a:4cc0:c0::/43}
	A	152.53.135.200^{🇦🇹 netcup-AS152.53.132.0/22}
	NS	`ns1.underwatertools.de` ⭐
	NS	`ns2.underwatertools.de`
	MX	`mail.underwatertools.de` ⭐
	TXT	`v=spf1 +a +mx +a:srv02.schroederit.de -all`
	SOA	`ns1.underwatertools.de`serveradministrator@underwatertools.de 2026-08-01 #2

📈 Tranco rank: #612,915

MX for

underwatertools.de

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DNS History

4 records (2 active, 2 former)

●A152.53.135.2002026-08-05 → 2026-08-05 · 3 obs

○ 2016-12-30 14:11:40
● 2026-08-05 08:01:28
● 2026-08-05 10:58:32

●A2a0a:4cc0:c0:102d:4aa:36ff:fe01:d6a72026-08-05 → 2026-08-05 · 3 obs

○ 2016-12-30 14:11:40
● 2026-08-05 08:01:28
● 2026-08-05 10:58:32

○A5.35.246.2252016-02-02 → 2016-12-30 · 5 obs

○ 2015-11-13 23:00:48
● 2016-02-02 09:02:42
● 2016-12-30 14:11:40
○ 2026-08-05 08:01:28
○ 2026-08-05 10:58:32

○A92.51.148.742015-05-07 → 2015-11-13 · 4 obs

● 2015-05-07 03:39:08
● 2015-11-13 23:00:48
○ 2016-02-02 09:02:42
○ 2026-08-05 10:58:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
underwatertools.de	ns2.underwatertools.de, ns1.underwatertools.de	2 records

✅ Authoritative Response

Server:152.53.135.200

NS records: ns2.underwatertools.de, ns1.underwatertools.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underwatertools.de (unsigned zone)

⏱️ Timing

Total: 640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`152.53.135.200`
AAAA	1	`2a0a:4cc0:c0:102d:4aa:36ff:fe01:d6a7`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.underwatertools.de, ns2.underwatertools.de)

Analysis

Mail Server Role

The mail server mail.underwatertools.de processes email for underwatertools.de.

IP Addresses

mail.underwatertools.de resolves to the IP addresses 152.53.135.200 and 2a0a:4cc0:c0:102d:4aa:36ff:fe01:d6a7

Two other host names, along with opel-nidderau.de, ns1.roeltec.com and ns2.gartenplan-r.de, also share IP numbers with mail.underwatertools.de.

mail.underwatertools.de - robtex.com