`spw-mailserver.de`

DNSSEC	⚠️ Not signed
A	83.138.85.28^{🇩🇪 HOSTNET-DE-AS83.138.64.0/18}
		PTR	`mailserverspw.de`
NS	`ns1.domainoffensive.de` ⭐
		A	2001:67c:1bc::21^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.mainns.de`
		A	192.174.68.21^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.mainns.de`
NS	`ns2.domainoffensive.de`
		A	2001:67c:10b8::21^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.mainns.eu`
		A	176.97.158.21^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.mainns.eu`
NS	`ns3.domainoffensive.de`
		A	2001:67c:1bc::20^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns3.mainns.net`
		A	192.174.68.20^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns3.mainns.net`
MX	`spw-mailserver.de` ⭐
		A	83.138.85.28^{🇩🇪 HOSTNET-DE-AS83.138.64.0/18}
			PTR	`mailserverspw.de`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.domainoffensive.de`hostmaster@resellerinterface.de serial=1706255886

`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=1774384237

MX for

spw-mailserver.de

Same first word

spw-mailserver.de

DNS History

5 records (5 active, 0 former)

●NSns1.domainoffensive.de2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 20:55:24
● 2026-03-24 20:55:26

●NSns2.domainoffensive.de2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 20:55:24
● 2026-03-24 20:55:26

●NSns3.domainoffensive.de2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 20:55:24
● 2026-03-24 20:55:26

●MXspw-mailserver.de2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 20:55:24
● 2026-03-24 20:55:26

●A83.138.85.282026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 20:55:24
● 2026-03-24 20:55:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
spw-mailserver.de	ns1.domainoffensive.de, ns2.domainoffensive.de, ns3.domainoffensive.de	-

✅ Authoritative Response

Server:192.174.68.21

NS records: ns1.domainoffensive.de, ns2.domainoffensive.de, ns3.domainoffensive.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spw-mailserver.de (unsigned zone)

⏱️ Timing

Total: 2711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.138.85.28`
NS	3	`ns3.domainoffensive.de, ns1.domainoffensive.de...`
MX	1	`spw-mailserver.de (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.domainoffensive.de hostmaster.resell`

Analysis

Mail Server Role

spw-mailserver.de serves as the mail server for spw-mailserver.de.

IP Addresses

spw-mailserver.de points to a single IP number: 83.138.85.28.

Other host names, for instance mail.nineyi.han-solo.net, suture.eu, hostmaster.surgical-suture.com, mailserverspw.de and nineyi.han-solo.net share IP numbers with spw-mailserver.de.

Name Servers

The domain spw-mailserver.de is delegated to three name servers: ns1.domainoffensive.de, ns2.domainoffensive.de and ns3.domainoffensive.de.

spw-mailserver.de shares name servers with other domains at least partially, for instance bsv-memory.de, majers.de, mietwaesche.org, wizzard.info and iatop.de.

these name servers are commonly used together with ns2.domainoffensive.eu and ns3.domainoffensive.net.

Host names with two IP numbers:

ns1.domainoffensive.de points to 2001:67c:1bc::21 and 192.174.68.21

ns2.domainoffensive.de points to 2001:67c:10b8::21 and 176.97.158.21

ns3.domainoffensive.de points to 2001:67c:1bc::20 and 192.174.68.20

Mail Servers

A single mail server handles spw-mailserver.de and spw-mailserver.de.

Host name spw-mailserver.de resolves to IP 83.138.85.28.

spw-mailserver.de - robtex.com