du4d.com - dns.ninja

`du4d.com`

DNSSEC	⚠️ Not signed
A	216.250.121.53^{🇺🇸 IONOS-AS216.250.112.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`perfora.net`
NS	`ns1042.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:42^{🇺🇸 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	`ns1042.ui-dns.de`
		A	185.132.32.42^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1042.ui-dns.de`
NS	`ns1042.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:42^{🇺🇸 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	`ns1042.ui-dns.biz`
		A	185.132.33.42^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1042.ui-dns.biz`
NS	`ns1042.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:42^{🇺🇸 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	`ns1042.ui-dns.com`
		A	185.132.34.42^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1042.ui-dns.com`
NS	`ns1042.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:42^{🇺🇸 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	`ns1042.ui-dns.org`
		A	185.132.35.42^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1042.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	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1042.ui-dns.de`hostmaster@1and1.com 2016-07-26 #3

`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=1785716567

Same first word

du4d.com

du4d.org

du4d.net

Similar names

dd4u.ch

dd4u.com

ud4d.com

dd4u.de

ud4d.cz

dd4u.net

dd4u.ca

dd4u.swiss

DNS History

12 records (7 active, 5 former)

●NSns1042.ui-dns.biz2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

●NSns1042.ui-dns.com2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

●NSns1042.ui-dns.de2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

●NSns1042.ui-dns.org2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

○NSns51.1and1.com2015-08-09 → 2017-03-22 · 4 obs

● 2015-08-09 09:46:32
● 2017-03-22 00:08:52
○ 2026-02-22 01:03:28
○ 2026-08-03 00:28:12

○NSns52.1and1.com2015-08-09 → 2017-03-22 · 4 obs

● 2015-08-09 09:46:32
● 2017-03-22 00:08:52
○ 2026-02-22 01:03:28
○ 2026-08-03 00:28:12

○MXmx00.1and1.com2015-08-09 → 2017-03-22 · 4 obs

● 2015-08-09 09:46:32
● 2017-03-22 00:08:52
○ 2026-02-22 01:03:28
○ 2026-08-03 00:28:12

●MXmx00.ionos.com2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

○MXmx01.1and1.com2015-08-09 → 2017-03-22 · 4 obs

● 2015-08-09 09:46:32
● 2017-03-22 00:08:52
○ 2026-02-22 01:03:28
○ 2026-08-03 00:28:12

●MXmx01.ionos.com2026-02-22 → 2026-08-03 · 3 obs

○ 2017-03-22 00:08:52
● 2026-02-22 01:03:28
● 2026-08-03 00:28:12

●A216.250.121.532017-03-22 → 2026-08-03 · 3 obs

○ 2016-07-03 15:36:40
● 2017-03-22 00:08:52
● 2026-08-03 00:28:12

○A74.208.59.372015-08-09 → 2016-07-03 · 4 obs

● 2015-08-09 09:46:32
● 2016-07-03 15:36:40
○ 2017-03-22 00:08:52
○ 2026-08-03 00:28:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
du4d.com	ns1042.ui-dns.de, ns1042.ui-dns.biz, ns1042.ui-dns.org, ns1042.ui-dns.com	2 records

✅ Authoritative Response

Server:185.132.32.42

NS records: ns1042.ui-dns.de, ns1042.ui-dns.biz, ns1042.ui-dns.org, ns1042.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for du4d.com (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.250.121.53`
NS	4	`ns1042.ui-dns.com, ns1042.ui-dns.de...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1042.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1042.ui-dns.com, ns1042.ui-dns.com)

Analysis

IP Addresses

du4d.com has exactly one IP address — 216.250.121.53.

radiologydecisionsupport.com, bim0.org, idlefield.biz plus two other host names have IP numbers in common with du4d.com.

Name Servers

Four name servers handle the delegation for du4d.com: ns1042.ui-dns.biz, ns1042.ui-dns.com, ns1042.ui-dns.de and ns1042.ui-dns.org.

du4d.com partially shares its NS delegation with several other domains, including bambergersaunafass.de, buffaloblessing.com, kupers.com.mx and two others.

In DNS configurations, these name servers often share authority with ns1086.ui-dns.de, ns1082.ui-dns.biz, ns1095.ui-dns.org and 3 other name servers.

ns1042.ui-dns.biz, ns1042.ui-dns.com, ns1042.ui-dns.de and ns1042.ui-dns.org each carry two IP addresses. ns1042.ui-dns.biz has 185.132.33.42 and 2607:f1c0:fe:53:185:132:33:42; ns1042.ui-dns.com has 185.132.34.42 and 2607:f1c0:fe:53:185:132:34:42; ns1042.ui-dns.de has 185.132.32.42 and 2607:f1c0:fe:53:185:132:32:42; ns1042.ui-dns.org has 185.132.35.42 and 2607:f1c0:fe:53:185:132:35:42.

Mail Servers

du4d.com uses two mail servers, mx00.ionos.com and mx01.ionos.com.

The mail server setup of du4d.com matches that of other domains such as summerrose.us, rwkw.net, baxtercommodities.com and two others.

At least a portion of du4d.com's mail servers are also used by other domains, for example mhykol.com.

mx00.ionos.com resolves to 74.208.114.65. mx01.ionos.com resolves to 74.208.114.66. Both host names point to a single IP number.