`swebgineering.com`

DNSSEC	⚠️ Not signed
A	85.214.164.236^{🇩🇪 STRATO85.214.0.0/15 AG}
		PTR	`swebgineering.com`
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`
MX	`swebgineering.com` ⭐
		A	85.214.164.236^{🇩🇪 STRATO85.214.0.0/15 AG}
			PTR	`swebgineering.com`
TXT	`v=spf1 mx -all`
SOA	`ns3.stratoserver.net`hostmaster@strato-rz.de 2020-07-11 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774965997

PTR for

236.164.214.85.in-addr.arpa

MX for

swebgineering.com

Subdomains

mail.swebgineering.com

Same first word

swebgineering.com

DNS History

9 records (4 active, 5 former)

○NSns.stratoserver.net2015-08-08 → 2016-07-12 · 4 obs

● 2015-08-08 11:11:24
● 2016-07-12 02:19:38
○ 2017-03-18 16:57:40
○ 2026-03-31 14:31:46

○NSns2.stratoserver.net2015-08-08 → 2016-07-12 · 4 obs

● 2015-08-08 11:11:24
● 2016-07-12 02:19:38
○ 2017-03-18 16:57:40
○ 2026-03-31 14:31:46

●NSns3.stratoserver.net2017-03-18 → 2026-03-31 · 3 obs

○ 2016-07-12 02:19:38
● 2017-03-18 16:57:40
● 2026-03-31 14:31:46

●NSns4.stratoserver.net2017-03-18 → 2026-03-31 · 3 obs

○ 2016-07-12 02:19:38
● 2017-03-18 16:57:40
● 2026-03-31 14:31:46

○MXmail.swebgineering.com2015-08-08 → 2020-03-14 · 4 obs

● 2015-08-08 11:11:24
● 2020-03-14 07:06:40
○ 2026-02-23 02:19:36
○ 2026-03-31 14:31:46

●MXswebgineering.com2026-02-23 → 2026-03-31 · 3 obs

○ 2020-03-14 07:06:40
● 2026-02-23 02:19:36
● 2026-03-31 14:31:46

○A2a01:238:423e:5000:d118:8395:b53:db662015-08-08 → 2020-03-14 · 4 obs

● 2015-08-08 11:11:24
● 2020-03-14 07:06:40
○ 2026-02-23 02:19:36
○ 2026-03-31 14:31:46

●A85.214.164.2362026-02-23 → 2026-03-31 · 3 obs

○ 2020-03-14 07:06:40
● 2026-02-23 02:19:36
● 2026-03-31 14:31:46

○A85.214.240.1462015-08-08 → 2020-03-14 · 4 obs

● 2015-08-08 11:11:24
● 2020-03-14 07:06:40
○ 2026-02-23 02:19:36
○ 2026-03-31 14:31:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
swebgineering.com	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 swebgineering.com (unsigned zone)

⏱️ Timing

Total: 420ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.214.164.236`
NS	2	`ns4.stratoserver.net, ns3.stratoserver.net`
MX	1	`swebgineering.com (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns3.stratoserver.net hostmaster.strato-r`

Analysis

Hierarchy

swebgineering.com is the parent of mail.swebgineering.com.

Mail Server Role

swebgineering.com serves as the mail server for swebgineering.com.

IP Addresses

swebgineering.com resolves to a single IP address: 85.214.164.236.

Name Servers

swebgineering.com's delegation uses two name servers, ns3.stratoserver.net and ns4.stratoserver.net.

swebgineering.com shares the same name server setup as other domains, for example fatina.org, hilfe-forum.eu, a-m-l.de, deze.website and donaugarten.de.

Host names with two IPs:

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

Mail Servers

A single mail server handles swebgineering.com.

swebgineering.com points to a single IP: 85.214.164.236.

swebgineering.com - robtex.com