`sw-development.de`

DNSSEC	⚠️ Not signed
A	2a02:2479:8c:8b00::1^{🇩🇪 IONOS-AS2a02:2478::/29 IONOS SE}
		PTR	`sw-development.de`
A	87.106.53.59^{🇩🇪 IONOS-AS87.106.53.0/24}
NS	`ns3.stratoserver.net` ⭐
		A	2607:f1c0:fe:53:185:132:34:159^{🇺🇸 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	`ns3.stratoserver.net`
		A	185.132.34.159^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns3.stratoserver.net`
NS	`ns4.stratoserver.net`
		A	2001:8d8:fe:53:5747:2a74:d:32^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
		A	217.160.80.159^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns4.stratoserver.net`
SOA	`ns3.stratoserver.net`hostmaster@strato-rz.de 2026-01-02 #10

`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=1778699447

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.8.c.8.0.0.9.7.4.2.2.0.a.2.ip6.arpa

Subdomains

mail.sw-development.de

Same first word

sw-development.fi

sw-development.de

Similar names

ws-development.de

DNS History

10 records (4 active, 6 former)

○NScns1.alfahosting.info2017-03-29 → 2017-03-29 · 3 obs

● 2017-03-29 20:11:50
○ 2026-02-16 15:44:42
○ 2026-05-13 19:16:06

○NScns2.alfahosting.info2017-03-29 → 2017-03-29 · 3 obs

● 2017-03-29 20:11:50
○ 2026-02-16 15:44:42
○ 2026-05-13 19:16:06

○NScns3.alfahosting.info2017-03-29 → 2017-03-29 · 3 obs

● 2017-03-29 20:11:50
○ 2026-02-16 15:44:42
○ 2026-05-13 19:16:06

●NSns3.stratoserver.net2026-02-16 → 2026-05-13 · 3 obs

○ 2017-03-29 20:11:50
● 2026-02-16 15:44:42
● 2026-05-13 19:16:06

●NSns4.stratoserver.net2026-02-16 → 2026-05-13 · 3 obs

○ 2017-03-29 20:11:50
● 2026-02-16 15:44:42
● 2026-05-13 19:16:06

○MXmail.sw-development.de2017-03-29 → 2026-02-16 · 4 obs

● 2017-03-29 20:11:50
● 2026-02-16 15:44:42
○ 2026-03-28 00:30:44
○ 2026-05-13 19:16:06

○A185.80.92.442017-03-29 → 2017-03-29 · 3 obs

● 2017-03-29 20:11:50
○ 2026-02-16 15:44:42
○ 2026-05-13 19:16:06

●A2a02:2479:8c:8b00::12026-02-16 → 2026-05-13 · 3 obs

○ 2017-03-29 20:11:50
● 2026-02-16 15:44:42
● 2026-05-13 19:16:06

○A2a02:2b80:1:0:5652::192017-03-29 → 2017-03-29 · 3 obs

● 2017-03-29 20:11:50
○ 2026-02-16 15:44:42
○ 2026-05-13 19:16:06

●A87.106.53.592026-02-16 → 2026-05-13 · 3 obs

○ 2017-03-29 20:11:50
● 2026-02-16 15:44:42
● 2026-05-13 19:16:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, l.de.net, n.de.net, s.de.net...	-
sw-development.de	ns3.stratoserver.net, ns4.stratoserver.net	-

✅ Authoritative Response

Server:185.132.34.159

NS records: ns3.stratoserver.net, ns4.stratoserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sw-development.de (unsigned zone)

⏱️ Timing

Total: 3792ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.106.53.59`
AAAA	1	`2a02:2479:8c:8b00::1`
NS	2	`ns4.stratoserver.net, ns3.stratoserver.net`
SOA	1	`ns3.stratoserver.net hostmaster.strato-r`

Analysis

Hierarchy

The parent of mail.sw-development.de is sw-development.de.

IP Addresses

sw-development.de points to two IP numbers: 2a02:2479:8c:8b00::1 and 87.106.53.59.

Name Servers

sw-development.de is delegated to two name servers: ns3.stratoserver.net and ns4.stratoserver.net.

sw-development.de shares the same name server setup as sbstravel.de, cobra11games.com, petra-kaiser.de, rainer-schoepf.de and beyerlein-law.de.

Host names with two IP numbers: ns3.stratoserver.net points to: 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; ns4.stratoserver.net points to: 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.

sw-development.de - robtex.com