`security-expo.com`

DNSSEC	⚠️ Not signed
A	188.40.16.217^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
		PTR	`k41y20.meinserver.io`
NS	`nsa4.schlundtech.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 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-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`nsb4.schlundtech.de`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 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-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`nsc4.schlundtech.de`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`nsd4.schlundtech.de`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`mx01.hornetsecurity.com` ⭐
		A	94.100.132.8^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`mx01.hornetsecurity.com`
MX	`mx02.hornetsecurity.com`⁽²⁰⁾
		A	94.100.136.8^{🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net}
			PTR	`mx02.hornetsecurity.com`
MX	`mx03.hornetsecurity.com`⁽³⁰⁾
		A	94.100.134.8^{🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676}
			PTR	`mx03.hornetsecurity.com`
MX	`mx04.hornetsecurity.com`⁽⁴⁰⁾
		A	94.100.136.7^{🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net}
			PTR	`mx04.hornetsecurity.com`
TXT	`MS=ms23760296`
TXT	`v=spf1 a mx ip4:217.7.28.48/29 ip4:195.145.107.192/27 ip4:212.184.68.232/29 i...`
SOA	`nsa4.schlundtech.de`info@dynamiclines.de 2025-08-19 #0

`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=1774576977

Subdomains

mail.security-expo.com

Same first word

security-expo.com

DNS History

14 records (9 active, 5 former)

●NSnsa4.schlundtech.de2015-05-20 → 2026-03-27 · 2 obs

● 2015-05-20 20:34:02
● 2026-03-27 02:16:56

●NSnsb4.schlundtech.de2015-05-20 → 2026-03-27 · 2 obs

● 2015-05-20 20:34:02
● 2026-03-27 02:16:56

●NSnsc4.schlundtech.de2015-05-20 → 2026-03-27 · 2 obs

● 2015-05-20 20:34:02
● 2026-03-27 02:16:56

●NSnsd4.schlundtech.de2015-05-20 → 2026-03-27 · 2 obs

● 2015-05-20 20:34:02
● 2026-03-27 02:16:56

○MXmail.security-expo.com2015-05-20 → 2017-02-11 · 4 obs

● 2015-05-20 20:34:02
● 2017-02-11 18:57:00
○ 2018-09-29 22:57:54
○ 2026-03-27 02:16:56

○MXmx-a.psmanaged.com2018-09-29 → 2018-09-29 · 4 obs

○ 2017-02-11 18:57:00
● 2018-09-29 22:57:54
○ 2026-03-24 07:49:28
○ 2026-03-27 02:16:56

○MXmx-b.psmanaged.com2018-09-29 → 2018-09-29 · 4 obs

○ 2017-02-11 18:57:00
● 2018-09-29 22:57:54
○ 2026-03-24 07:49:28
○ 2026-03-27 02:16:56

●MXmx01.hornetsecurity.com2026-03-24 → 2026-03-27 · 3 obs

○ 2018-09-29 22:57:54
● 2026-03-24 07:49:28
● 2026-03-27 02:16:56

●MXmx02.hornetsecurity.com2026-03-24 → 2026-03-27 · 3 obs

○ 2018-09-29 22:57:54
● 2026-03-24 07:49:28
● 2026-03-27 02:16:56

●MXmx03.hornetsecurity.com2026-03-24 → 2026-03-27 · 3 obs

○ 2018-09-29 22:57:54
● 2026-03-24 07:49:28
● 2026-03-27 02:16:56

●MXmx04.hornetsecurity.com2026-03-24 → 2026-03-27 · 3 obs

○ 2018-09-29 22:57:54
● 2026-03-24 07:49:28
● 2026-03-27 02:16:56

●A188.40.16.2172026-03-24 → 2026-03-27 · 3 obs

○ 2018-09-29 22:57:54
● 2026-03-24 07:49:28
● 2026-03-27 02:16:56

○A213.174.57.972015-05-20 → 2017-02-11 · 4 obs

● 2015-05-20 20:34:02
● 2017-02-11 18:57:00
○ 2018-09-29 22:57:54
○ 2026-03-27 02:16:56

○A88.99.24.1262018-09-29 → 2018-09-29 · 4 obs

○ 2017-02-11 18:57:00
● 2018-09-29 22:57:54
○ 2026-03-24 07:49:28
○ 2026-03-27 02:16:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...	-
security-expo.com	nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de, nsd4.schlundtech.de	-

✅ Authoritative Response

Server:185.132.34.227

NS records: nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de, nsd4.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for security-expo.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.16.217`
NS	4	`nsb4.schlundtech.de, nsa4.schlundtech.de...`
MX	4	`mx02.hornetsecurity.com (pri: 20), mx01.hornetsecurity.com (pri: 10)...`
TXT	2	`v=spf1 a mx ip4:217.7.28.48/29 ip4:195.1, MS=ms23760296`
SOA	1	`nsa4.schlundtech.de info.dynamiclines.de`

Analysis

Hierarchy

mail.security-expo.com is a child of security-expo.com.

IP Addresses

security-expo.com resolves to one IP number: 188.40.16.217.

Other host names, for instance contentpool.eu, mail.art-riss.de, 100prozent-bio-ei.de, www.naturata.com and airgunpellets.com share IP numbers with security-expo.com.

Name Servers

security-expo.com delegates to four name servers: nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de and nsd4.schlundtech.de.

security-expo.com at least partially shares name servers with other domains, including werkstattreport.com, kemex.de, medien-kompetent.de, ad-root.com and formel-3.de.

Host names with two IP numbers: nsa4.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227; nsb4.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227; nsc4.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227; nsd4.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.

Mail Servers

security-expo.com is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

security-expo.com shares at least some mail servers with other domains, for example chemoillogistics.ch, hipreston.com, asedo.de, t-mueller.lvm.de and harting.com.

Host names with one IP number:

mx01.hornetsecurity.com points to 94.100.132.8; mx02.hornetsecurity.com points to 94.100.136.8; mx03.hornetsecurity.com points to 94.100.134.8; mx04.hornetsecurity.com points to 94.100.136.7.

security-expo.com - robtex.com