certifierofconstruction.com - dns.ninja

`certifierofconstruction.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.231^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
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`
		A	217.160.80.100^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.de`
NS	`ns1023.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5117:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.biz`
		A	217.160.81.23^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.biz`
NS	`ns1026.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:521a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1026.ui-dns.com`
		A	217.160.82.26^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1026.ui-dns.com`
NS	`ns1117.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5375:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1117.ui-dns.org`
		A	217.160.83.117^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1117.ui-dns.org`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		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	`ns1100.ui-dns.de`hostmaster@1und1.com 2017-06-01 #8

`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=1781825725

Same first word

certifierofconstruction.com

DNS History

20 records (8 active, 12 former)

●NSns1023.ui-dns.biz2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

●NSns1026.ui-dns.com2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

●NSns1100.ui-dns.de2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

●NSns1117.ui-dns.org2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

○NSns43.domaincontrol.com2018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○NSns44.domaincontrol.com2018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○MXmailstore1.secureserver.net2018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

●MXmx00.ionos.co.uk2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

●MXmx01.ionos.co.uk2026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

○MXsmtp.secureserver.net2018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A184.168.221.122018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A184.168.221.132018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A184.168.221.52018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A184.168.221.72018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

●A2001:8d8:100f:f000::2002026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

●A217.160.0.2312026-04-15 → 2026-06-18 · 3 obs

○ 2018-08-30 10:55:56
● 2026-04-15 12:10:24
● 2026-06-18 23:43:00

○A50.63.202.272018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A50.63.202.282018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A50.63.202.32018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

○A50.63.202.52018-08-30 → 2018-08-30 · 3 obs

● 2018-08-30 10:55:56
○ 2026-04-15 12:10:24
○ 2026-06-18 23:43:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certifierofconstruction.com	ns1023.ui-dns.biz, ns1100.ui-dns.de, ns1117.ui-dns.org, ns1026.ui-dns.com	2 records

✅ Authoritative Response

Server:185.132.32.100

NS records: ns1023.ui-dns.biz, ns1100.ui-dns.de, ns1117.ui-dns.org, ns1026.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifierofconstruction.com (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.231`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1100.ui-dns.de, ns1117.ui-dns.org...`
MX	2	`mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1100.ui-dns.de hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1026.ui-dns.com, ns1026.ui-dns.com)

Analysis

IP Addresses

certifierofconstruction.com has two IP addresses: 217.160.0.231 and 2001:8d8:100f:f000::200

Additional host names — altion.org, graef-dracula.info, dragon-jobs.com and two others — share IP numbers with certifierofconstruction.com.

Name Servers

certifierofconstruction.com has four authoritative name servers: ns1023.ui-dns.biz, ns1026.ui-dns.com, ns1100.ui-dns.de and ns1117.ui-dns.org.

The name servers of certifierofconstruction.com overlap at least partially with those of other domains — among them shipreads.org, yazz.info, reiling.at and two more.

These name servers commonly appear in delegations together with ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.org and 7 other.

Host names with three IP numbers:

ns1100.ui-dns.de maps to three IP addresses: 185.132.32.100, 217.160.80.100 and 2607:f1c0:fe:53:185:132:32:100.

Host names with two IP numbers:

The A records for ns1023.ui-dns.biz return 217.160.81.23 and 2001:8d8:fe:53:0:d9a0:5117:100.

The A records for ns1026.ui-dns.com return 217.160.82.26 and 2001:8d8:fe:53:0:d9a0:521a:100.

The A records for ns1117.ui-dns.org return 217.160.83.117 and 2001:8d8:fe:53:0:d9a0:5375:100.

Mail Servers

certifierofconstruction.com has two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.

certifierofconstruction.com shares the same mail server setup as other domains, including thesurveyequipmentcompany.com, matthewalder.com, jutp.org and two others.

certifierofconstruction.com has mail servers in common with other domains — swaymegood.com being one example.

Both mx00.ionos.co.uk and mx01.ionos.co.uk have a single IP address each — mx00.ionos.co.uk resolves to 212.227.15.41 while mx01.ionos.co.uk resolves to 217.72.192.67.