sim2u.de - dns.ninja

`sim2u.de`

DNSSEC	⚠️ Not signed
A	217.160.223.127^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`clienthosting.eu`
NS	`ns1125.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:125^{🇺🇸 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	`ns1125.ui-dns.de`
		A	185.132.32.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.de`
NS	`ns1125.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:125^{🇺🇸 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	`ns1125.ui-dns.biz`
		A	185.132.33.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.biz`
NS	`ns1125.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:125^{🇺🇸 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	`ns1125.ui-dns.com`
		A	185.132.34.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.com`
NS	`ns1125.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:125^{🇺🇸 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	`ns1125.ui-dns.org`
		A	185.132.35.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
		A	212.227.15.171^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	212.227.15.188^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx01.kundenserver.de`
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1125.ui-dns.de`hostmaster@1und1.de 2016-04-29 #3

`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=1785868371

Same first word

sim2u.com

sim2u.de

Similar names

misu2.com

sumi2.net

2musi.com

mis2u.biz

i2mus.com

DNS History

12 records (7 active, 5 former)

●NSns1125.ui-dns.biz2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

●NSns1125.ui-dns.com2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

●NSns1125.ui-dns.de2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

●NSns1125.ui-dns.org2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

○NSns37.1und1.de2015-08-17 → 2017-03-17 · 4 obs

● 2015-08-17 20:45:42
● 2017-03-17 12:27:22
○ 2026-02-24 19:08:26
○ 2026-08-04 18:39:46

○NSns38.1und1.de2015-08-17 → 2017-03-17 · 4 obs

● 2015-08-17 20:45:42
● 2017-03-17 12:27:22
○ 2026-02-24 19:08:26
○ 2026-08-04 18:39:46

●MXmx00.ionos.de2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

○MXmx00.kundenserver.de2015-08-17 → 2017-03-17 · 4 obs

● 2015-08-17 20:45:42
● 2017-03-17 12:27:22
○ 2026-02-24 19:08:26
○ 2026-08-04 18:39:46

●MXmx01.ionos.de2026-02-24 → 2026-08-04 · 3 obs

○ 2017-03-17 12:27:22
● 2026-02-24 19:08:26
● 2026-08-04 18:39:46

○MXmx01.kundenserver.de2015-08-17 → 2017-03-17 · 4 obs

● 2015-08-17 20:45:42
● 2017-03-17 12:27:22
○ 2026-02-24 19:08:26
○ 2026-08-04 18:39:46

●A217.160.223.1272017-03-17 → 2026-08-04 · 3 obs

○ 2016-03-27 15:14:56
● 2017-03-17 12:27:22
● 2026-08-04 18:39:46

○A82.165.84.2162015-08-17 → 2016-03-27 · 4 obs

● 2015-08-17 20:45:42
● 2016-03-27 15:14:56
○ 2017-03-17 12:27:22
○ 2026-08-04 18:39:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
sim2u.de	ns1125.ui-dns.de, ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.org	-

✅ Authoritative Response

Server:185.132.32.125

NS records: ns1125.ui-dns.de, ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sim2u.de (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.223.127`
NS	4	`ns1125.ui-dns.com, ns1125.ui-dns.de...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1125.ui-dns.de hostmaster.1und1.de`

Analysis

IP Addresses

sim2u.de resolves to one IP address: 217.160.223.127.

nzlei.org, mut-steuerberatung.de, toenges.name and two other host names share IP numbers with sim2u.de.

Name Servers

The authoritative name servers for sim2u.de are ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.de and ns1125.ui-dns.org.

sim2u.de partially shares its NS delegation with several other domains, including x-particle.com, studio-aour.com, tettan.de and two others.

The name servers ns1090.ui-dns.de, ns1083.ui-dns.org, ns1110.ui-dns.biz and ns1111.ui-dns.de are often found in use alongside these name servers.

ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.de and ns1125.ui-dns.org each carry two IP addresses. ns1125.ui-dns.biz has 185.132.33.125 and 2607:f1c0:fe:53:185:132:33:125; ns1125.ui-dns.com has 185.132.34.125 and 2607:f1c0:fe:53:185:132:34:125; ns1125.ui-dns.de has 185.132.32.125 and 2607:f1c0:fe:53:185:132:32:125; ns1125.ui-dns.org has 185.132.35.125 and 2607:f1c0:fe:53:185:132:35:125.

Mail Servers

Mail for sim2u.de is handled by two mail servers — mx00.ionos.de and mx01.ionos.de.

sim2u.de uses an identical mail server configuration to several other domains — among them ib-gi.de, mcwoman.de, monsef.de and two more.

mx00.ionos.de and mx01.ionos.de both carry two IP addresses. The A records for mx00.ionos.de are 212.227.15.41 and 212.227.15.171; the A records for mx01.ionos.de are 212.227.15.188 and 217.72.192.67.