cu4ml.org - dns.ninja

`cu4ml.org`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::294^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0294.elastic-ssl.ui-r.com`
A	74.208.236.201^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1100.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:100^{🇺🇸 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	`ns1100.ui-dns.de`
		A	185.132.32.100^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1100.ui-dns.de`
NS	`ns1100.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:100^{🇺🇸 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	`ns1100.ui-dns.biz`
		A	185.132.33.100^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1100.ui-dns.biz`
NS	`ns1100.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:100^{🇺🇸 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	`ns1100.ui-dns.com`
		A	185.132.34.100^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1100.ui-dns.com`
NS	`ns1100.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:100^{🇺🇸 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	`ns1100.ui-dns.org`
		A	185.132.35.100^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1100.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`google-site-verification=WwZxLQXkqJmY3Oxp5zLhLGcy5hybjmvLnR9jPYUJRPw`
TXT	`v=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kunden...`
SOA	`ns1100.ui-dns.de`hostmaster@1and1.com 2016-09-06 #22

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785926638

Same first word

cu4ml.com

cu4ml.org

cu4ml.net

cu4ml.info

Similar names

lcm4u.com

clm4u.com

DNS History

14 records (8 active, 6 former)

●NSns1100.ui-dns.biz2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

●NSns1100.ui-dns.com2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

●NSns1100.ui-dns.de2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

●NSns1100.ui-dns.org2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

○NSns57.1and1.com2015-07-11 → 2017-01-19 · 4 obs

● 2015-07-11 15:26:48
● 2017-01-19 20:12:34
○ 2026-02-21 04:54:32
○ 2026-08-05 11:09:28

○NSns58.1and1.com2015-07-11 → 2017-01-19 · 4 obs

● 2015-07-11 15:26:48
● 2017-01-19 20:12:34
○ 2026-02-21 04:54:32
○ 2026-08-05 11:09:28

○MXmx00.1and1.com2015-07-11 → 2017-01-19 · 4 obs

● 2015-07-11 15:26:48
● 2017-01-19 20:12:34
○ 2026-02-21 04:54:32
○ 2026-08-05 11:09:28

●MXmx00.ionos.com2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

○MXmx01.1and1.com2015-07-11 → 2017-01-19 · 4 obs

● 2015-07-11 15:26:48
● 2017-01-19 20:12:34
○ 2026-02-21 04:54:32
○ 2026-08-05 11:09:28

●MXmx01.ionos.com2026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

○A216.250.120.2142017-01-19 → 2017-01-19 · 4 obs

○ 2016-05-06 22:47:14
● 2017-01-19 20:12:34
○ 2026-02-21 04:54:32
○ 2026-08-05 11:09:28

●A2607:f1c0:100f:f000::2942026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

○A74.208.177.902015-07-11 → 2016-05-06 · 4 obs

● 2015-07-11 15:26:48
● 2016-05-06 22:47:14
○ 2017-01-19 20:12:34
○ 2026-08-05 11:09:28

●A74.208.236.2012026-02-21 → 2026-08-05 · 3 obs

○ 2017-01-19 20:12:34
● 2026-02-21 04:54:32
● 2026-08-05 11:09:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cu4ml.org	ns1100.ui-dns.com, ns1100.ui-dns.de, ns1100.ui-dns.biz, ns1100.ui-dns.org	2 records

✅ Authoritative Response

Server:185.132.33.100

NS records: ns1100.ui-dns.com, ns1100.ui-dns.de, ns1100.ui-dns.biz, ns1100.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu4ml.org (unsigned zone)

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.201`
AAAA	1	`2607:f1c0:100f:f000::294`
NS	4	`ns1100.ui-dns.org, ns1100.ui-dns.biz...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	2	`google-site-verification=WwZxLQXkqJmY3Ox, v=spf1 include:_spf.perfora.net include:`
SOA	1	`ns1100.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1100.ui-dns.org, ns1100.ui-dns.org)

Analysis

IP Addresses

cu4ml.org has two IP addresses: 74.208.236.201 and 2607:f1c0:100f:f000::294

Two other host names, along with revulr.com, rahsoft.net and inliquid.com, also share IP numbers with cu4ml.org.

Name Servers

The NS records for cu4ml.org point to four name servers: ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.de and ns1100.ui-dns.org.

There is at least partial name server overlap between cu4ml.org and other domains — kontrapro.de, kopfschmerz-zentrum.com, store-server.de and two more among them.

The name servers ns1103.ui-dns.com, ns1125.ui-dns.de and ns1049.ui-dns.org are often found in combination with these name servers.

All four hostnames — ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.de and ns1100.ui-dns.org — resolve to two IP numbers apiece: ns1100.ui-dns.biz to 185.132.33.100 and 2607:f1c0:fe:53:185:132:33:100; ns1100.ui-dns.com to 185.132.34.100 and 2607:f1c0:fe:53:185:132:34:100; ns1100.ui-dns.de to 185.132.32.100 and 2607:f1c0:fe:53:185:132:32:100; ns1100.ui-dns.org to 185.132.35.100 and 2607:f1c0:fe:53:185:132:35:100.

Mail Servers

cu4ml.org is served by two mail servers, mx00.ionos.com and mx01.ionos.com.

Among the domains sharing a mail server setup with cu4ml.org are vcntv.com, villagecourtseniorsnj.com, benburford.net and two others.

mx00.ionos.com → 74.208.114.65 and mx01.ionos.com → 74.208.114.66: one IP number per host name.