squarefour.de - dns.ninja

`squarefour.de`

DNSSEC	⚠️ Not signed
A	217.160.0.209^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-209.elastic-ssl.ui-r.com`
NS	`ns1034.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:34^{🇺🇸 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	`ns1034.ui-dns.de`
		A	185.132.32.34^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1034.ui-dns.de`
NS	`ns1034.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:34^{🇺🇸 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	`ns1034.ui-dns.biz`
		A	185.132.33.34^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1034.ui-dns.biz`
NS	`ns1034.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:34^{🇺🇸 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	`ns1034.ui-dns.com`
		A	185.132.34.34^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1034.ui-dns.com`
NS	`ns1034.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:34^{🇺🇸 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	`ns1034.ui-dns.org`
		A	185.132.35.34^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1034.ui-dns.org`
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	`v=spf1 include:spf.c4p.email include:spf.hornetsecurity.com -all`
SOA	`ns1034.ui-dns.de`hostmaster@1und1.de 2016-11-03 #16

`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=1785154308

WOT: SAFE (61/100)

Same first word

squarefour.herokuapp.com

squarefour.nl

squarefour.ch

squarefour.net

squarefour.de

squarefour.com

squarefour.org

Similar names

DNS History

17 records (9 active, 8 former)

●NSns1034.ui-dns.biz2020-02-29 → 2026-07-27 · 3 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
● 2026-07-27 12:37:14

●NSns1034.ui-dns.com2020-02-29 → 2026-07-27 · 3 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
● 2026-07-27 12:37:14

●NSns1034.ui-dns.de2020-02-29 → 2026-07-27 · 3 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
● 2026-07-27 12:37:14

●NSns1034.ui-dns.org2020-02-29 → 2026-07-27 · 3 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
● 2026-07-27 12:37:14

○NSns55.1und1.de2015-08-14 → 2017-03-30 · 4 obs

● 2015-08-14 22:43:16
● 2017-03-30 10:42:28
○ 2020-02-29 17:22:46
○ 2026-07-27 12:37:14

○NSns56.1und1.de2015-08-14 → 2017-03-30 · 4 obs

● 2015-08-14 22:43:16
● 2017-03-30 10:42:28
○ 2020-02-29 17:22:46
○ 2026-07-27 12:37:14

○MXemail.cloud4partner.com2016-08-13 → 2017-03-30 · 5 obs

○ 2016-03-10 22:06:20
● 2016-08-13 08:29:08
● 2017-03-30 10:42:28
○ 2020-02-29 17:22:46
○ 2026-07-27 12:37:14

●MXmx01.hornetsecurity.com2026-04-08 → 2026-07-27 · 3 obs

○ 2020-02-29 17:22:46
● 2026-04-08 15:38:24
● 2026-07-27 12:37:14

●MXmx02.hornetsecurity.com2026-04-08 → 2026-07-27 · 3 obs

○ 2020-02-29 17:22:46
● 2026-04-08 15:38:24
● 2026-07-27 12:37:14

●MXmx03.hornetsecurity.com2026-04-08 → 2026-07-27 · 3 obs

○ 2020-02-29 17:22:46
● 2026-04-08 15:38:24
● 2026-07-27 12:37:14

●MXmx04.hornetsecurity.com2026-04-08 → 2026-07-27 · 3 obs

○ 2020-02-29 17:22:46
● 2026-04-08 15:38:24
● 2026-07-27 12:37:14

○MXremote.squarefour.de2015-08-14 → 2016-03-10 · 4 obs

● 2015-08-14 22:43:16
● 2016-03-10 22:06:20
○ 2016-08-13 08:29:08
○ 2026-07-27 12:37:14

○MXsecmail01.cloud4partner.net2020-02-29 → 2020-02-29 · 4 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
○ 2026-04-08 15:38:24
○ 2026-07-27 12:37:14

○MXsecmail02.cloud4partner.net2020-02-29 → 2020-02-29 · 4 obs

○ 2017-03-30 10:42:28
● 2020-02-29 17:22:46
○ 2026-04-08 15:38:24
○ 2026-07-27 12:37:14

○A212.227.31.312015-08-14 → 2016-03-10 · 4 obs

● 2015-08-14 22:43:16
● 2016-03-10 22:06:20
○ 2016-08-13 08:29:08
○ 2026-07-27 12:37:14

●A217.160.0.2092026-04-08 → 2026-07-27 · 3 obs

○ 2020-02-29 17:22:46
● 2026-04-08 15:38:24
● 2026-07-27 12:37:14

○A217.160.223.2522016-08-13 → 2020-02-29 · 5 obs

○ 2016-03-10 22:06:20
● 2016-08-13 08:29:08
● 2020-02-29 17:22:46
○ 2026-04-08 15:38:24
○ 2026-07-27 12:37:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
squarefour.de	ns1034.ui-dns.com, ns1034.ui-dns.de, ns1034.ui-dns.biz, ns1034.ui-dns.org	-

✅ Authoritative Response

Server:185.132.35.34

NS records: ns1034.ui-dns.com, ns1034.ui-dns.de, ns1034.ui-dns.biz, ns1034.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for squarefour.de (unsigned zone)

⏱️ Timing

Total: 1039ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.209`
NS	4	`ns1034.ui-dns.org, ns1034.ui-dns.biz...`
MX	4	`mx02.hornetsecurity.com (pri: 20), mx03.hornetsecurity.com (pri: 30)...`
TXT	1	`v=spf1 include:spf.c4p.email include:spf`
SOA	1	`ns1034.ui-dns.de hostmaster.1und1.de`

Analysis

IP Addresses

squarefour.de resolves to one IP address: 217.160.0.209.

startrac.fr, (0x77616e6b)o1a.com, janovsky.name and two other host names share IP numbers with squarefour.de.

Name Servers

The authoritative name servers for squarefour.de are ns1034.ui-dns.biz, ns1034.ui-dns.com, ns1034.ui-dns.de and ns1034.ui-dns.org.

squarefour.de has at least partial name server overlap with other domains, such as artbyte-design.com, korpao.de, gocitygirl.com and two others.

ns1017.ui-dns.de, ns1066.ui-dns.com and ns1123.ui-dns.biz — plus 4 other name servers — are commonly paired with these name servers.

ns1034.ui-dns.biz, ns1034.ui-dns.com, ns1034.ui-dns.de and ns1034.ui-dns.org all point to exactly two IP numbers each: ns1034.ui-dns.biz → 185.132.33.34 and 2607:f1c0:fe:53:185:132:33:34; ns1034.ui-dns.com → 185.132.34.34 and 2607:f1c0:fe:53:185:132:34:34; ns1034.ui-dns.de → 185.132.32.34 and 2607:f1c0:fe:53:185:132:32:34; ns1034.ui-dns.org → 185.132.35.34 and 2607:f1c0:fe:53:185:132:35:34.

Mail Servers

squarefour.de has four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

squarefour.de has at least partial mail server overlap with other domains such as osmo.nl, serverulm.de, mail.miele.co.kr and two more.

Each of the four hosts mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com points to a single IP address — 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 and mx04.hornetsecurity.com points to 94.100.136.7.