`schuler-eisner.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2b4^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02b4.elastic-ssl.ui-r.com`
A	217.160.0.117^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1090.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:535a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.org`
		A	217.160.83.90^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.org`
NS	`ns1090.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:515a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.biz`
		A	217.160.81.90^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.biz`
NS	`ns1090.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:525a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.com`
		A	217.160.82.90^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.com`
NS	`ns1090.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:90^{🇺🇸 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	`ns1090.ui-dns.de`
		A	217.160.80.90^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1090.ui-dns.de`
MX	`schulereisner-de01i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:51.137.52.55 include:spf.protection.outlook.com include:spf.emails...`
TXT	`v=verifydomain MS=4109884`
SOA	`ns1090.ui-dns.org`hostmaster@1und1.de 2017-06-30 #55

`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=1773553752

Same first word

schuler-eisner.de

DNS History

13 records (7 active, 6 former)

●NSns1090.ui-dns.biz2020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

●NSns1090.ui-dns.com2020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

●NSns1090.ui-dns.de2020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

●NSns1090.ui-dns.org2020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

○NSns65.1und1.de2015-07-17 → 2017-03-19 · 4 obs

● 2015-07-17 05:06:38
● 2017-03-19 10:50:06
○ 2020-08-25 14:05:54
○ 2026-03-23 10:44:08

○NSns66.1und1.de2015-07-17 → 2017-03-19 · 4 obs

● 2015-07-17 05:06:38
● 2017-03-19 10:50:06
○ 2020-08-25 14:05:54
○ 2026-03-23 10:44:08

○MXmx00.kundenserver.de2015-07-17 → 2017-03-19 · 4 obs

● 2015-07-17 05:06:38
● 2017-03-19 10:50:06
○ 2020-08-25 14:05:54
○ 2026-03-23 10:44:08

○MXmx01.kundenserver.de2015-07-17 → 2017-03-19 · 4 obs

● 2015-07-17 05:06:38
● 2017-03-19 10:50:06
○ 2020-08-25 14:05:54
○ 2026-03-23 10:44:08

●MXschulereisner-de01i.mail.protection.outlook.com2020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

●A2001:8d8:100f:f000::2b42020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

●A217.160.0.1172020-08-25 → 2026-03-23 · 3 obs

○ 2017-03-19 10:50:06
● 2020-08-25 14:05:54
● 2026-03-23 10:44:08

○A217.160.233.1822017-03-19 → 2017-03-19 · 4 obs

○ 2016-05-04 11:43:22
● 2017-03-19 10:50:06
○ 2020-08-25 14:05:54
○ 2026-03-23 10:44:08

○A82.165.219.2142015-07-17 → 2016-05-04 · 4 obs

● 2015-07-17 05:06:38
● 2016-05-04 11:43:22
○ 2017-03-19 10:50:06
○ 2026-03-23 10:44:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
schuler-eisner.de	ns1090.ui-dns.de, ns1090.ui-dns.biz, ns1090.ui-dns.com, ns1090.ui-dns.org	-

✅ Authoritative Response

Server:217.160.81.90

NS records: ns1090.ui-dns.de, ns1090.ui-dns.biz, ns1090.ui-dns.com, ns1090.ui-dns.org

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at de: Error: DNS query timeout: 194.0.0.53 for DNSKEY de

⏱️ Timing

Total: 3532ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.117`
AAAA	1	`2001:8d8:100f:f000::2b4`
NS	4	`ns1090.ui-dns.de, ns1090.ui-dns.biz...`
MX	1	`schulereisner-de01i.mail.protection.outl`
TXT	2	`v=spf1 ip4:51.137.52.55 include:spf.prot, v=verifydomain MS=4109884`
SOA	1	`ns1090.ui-dns.org hostmaster.1und1.de`

Analysis

IP Addresses

schuler-eisner.de has two IP numbers: 2001:8d8:100f:f000::2b4 and 217.160.0.117.

Other host names, for instance regiotaler.at, sleepstar.fr, uks-gruppe.de, comicstadl.com and share-suite.de share IP numbers with schuler-eisner.de.

Name Servers

schuler-eisner.de delegates to four name servers: ns1090.ui-dns.biz, ns1090.ui-dns.com, ns1090.ui-dns.de and ns1090.ui-dns.org.

schuler-eisner.de at least partially shares name servers with other domains, including sugesa.com, roombaba.com, nowpc.co.uk, mypurchaseloan.com and odaajala.com.

these name servers are commonly used alongside the name servers ns1104.ui-dns.de, ns1042.ui-dns.biz, ns1105.ui-dns.org, ns1065.ui-dns.org and ns1063.ui-dns.org.

Host names with two IP numbers: ns1090.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:515a:100 and 217.160.81.90; ns1090.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:525a:100 and 217.160.82.90; ns1090.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:90 and 217.160.80.90; ns1090.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:535a:100 and 217.160.83.90.

Mail Servers

A single mail server handles schuler-eisner.de, schulereisner-de01i.mail.protection.outlook.com.

Host schulereisner-de01i.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::8, 52.101.68.12, 52.101.68.32, 52.101.73.30 and 52.101.73.153.

schuler-eisner.de - robtex.com