crefcoa.com - dns.ninja

`crefcoa.com`

DNSSEC	⚠️ Not signed
A	159.65.172.37^{🇺🇸 DIGITALOCEAN159.65.160.0/20 DigitalOcean}
		PTR	`1450150.cloudwaysapps.com`
NS	`ns1088.ui-dns.org` ⭐
		A	2607:f1c0:fe:53:185:132:35:88^{🇺🇸 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	`ns1088.ui-dns.org`
		A	185.132.35.88^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1088.ui-dns.org`
NS	`ns1088.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:88^{🇺🇸 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	`ns1088.ui-dns.biz`
		A	185.132.33.88^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1088.ui-dns.biz`
NS	`ns1088.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:88^{🇺🇸 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	`ns1088.ui-dns.com`
		A	185.132.34.88^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1088.ui-dns.com`
NS	`ns1088.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:88^{🇺🇸 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	`ns1088.ui-dns.de`
		A	185.132.32.88^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1088.ui-dns.de`
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 a include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kund...`
TXT	`google-site-verification=77WiB9HGpUXn6e2HGbILLd71KA3kK1iLng4XIxa4Qck`
SOA	`ns1088.ui-dns.org`hostmaster@1and1.com 2015-10-10 #27

`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=1786418029

Same first word

crefcoa.com

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DNS History

14 records (7 active, 7 former)

○NSns-us.1and1-dns.com2015-06-19 → 2017-01-27 · 4 obs

● 2015-06-19 09:14:24
● 2017-01-27 23:53:18
○ 2018-08-18 08:33:38
○ 2026-08-11 03:15:34

○NSns-us.1and1-dns.de2015-06-19 → 2017-01-27 · 4 obs

● 2015-06-19 09:14:24
● 2017-01-27 23:53:18
○ 2018-08-18 08:33:38
○ 2026-08-11 03:15:34

○NSns-us.1and1-dns.org2015-06-19 → 2017-01-27 · 4 obs

● 2015-06-19 09:14:24
● 2017-01-27 23:53:18
○ 2018-08-18 08:33:38
○ 2026-08-11 03:15:34

○NSns-us.1and1-dns.us2015-06-19 → 2017-01-27 · 4 obs

● 2015-06-19 09:14:24
● 2017-01-27 23:53:18
○ 2018-08-18 08:33:38
○ 2026-08-11 03:15:34

●NSns1088.ui-dns.biz2018-08-18 → 2026-08-11 · 3 obs

○ 2017-01-27 23:53:18
● 2018-08-18 08:33:38
● 2026-08-11 03:15:34

●NSns1088.ui-dns.com2018-08-18 → 2026-08-11 · 3 obs

○ 2017-01-27 23:53:18
● 2018-08-18 08:33:38
● 2026-08-11 03:15:34

●NSns1088.ui-dns.de2018-08-18 → 2026-08-11 · 3 obs

○ 2017-01-27 23:53:18
● 2018-08-18 08:33:38
● 2026-08-11 03:15:34

●NSns1088.ui-dns.org2018-08-18 → 2026-08-11 · 3 obs

○ 2017-01-27 23:53:18
● 2018-08-18 08:33:38
● 2026-08-11 03:15:34

○MXmx00.1and1.com2015-06-19 → 2018-08-18 · 4 obs

● 2015-06-19 09:14:24
● 2018-08-18 08:33:38
○ 2026-02-25 11:00:42
○ 2026-08-11 03:15:34

●MXmx00.ionos.com2026-02-25 → 2026-08-11 · 3 obs

○ 2018-08-18 08:33:38
● 2026-02-25 11:00:42
● 2026-08-11 03:15:34

○MXmx01.1and1.com2015-06-19 → 2018-08-18 · 4 obs

● 2015-06-19 09:14:24
● 2018-08-18 08:33:38
○ 2026-02-25 11:00:42
○ 2026-08-11 03:15:34

●MXmx01.ionos.com2026-02-25 → 2026-08-11 · 3 obs

○ 2018-08-18 08:33:38
● 2026-02-25 11:00:42
● 2026-08-11 03:15:34

●A159.65.172.372026-02-25 → 2026-08-11 · 3 obs

○ 2018-08-18 08:33:38
● 2026-02-25 11:00:42
● 2026-08-11 03:15:34

○A74.208.198.1692015-06-19 → 2018-08-18 · 4 obs

● 2015-06-19 09:14:24
● 2018-08-18 08:33:38
○ 2026-02-25 11:00:42
○ 2026-08-11 03:15:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
crefcoa.com	ns1088.ui-dns.de, ns1088.ui-dns.biz, ns1088.ui-dns.org, ns1088.ui-dns.com	2 records

✅ Authoritative Response

Server:185.132.32.88

NS records: ns1088.ui-dns.de, ns1088.ui-dns.biz, ns1088.ui-dns.org, ns1088.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crefcoa.com (unsigned zone)

⏱️ Timing

Total: 1253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.65.172.37`
NS	4	`ns1088.ui-dns.com, ns1088.ui-dns.biz...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	2	`google-site-verification=77WiB9HGpUXn6e2, v=spf1 a include:_spf.perfora.net includ`
SOA	1	`ns1088.ui-dns.org hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1088.ui-dns.com, ns1088.ui-dns.com)

Analysis

IP Addresses

crefcoa.com has exactly one IP address — 159.65.172.37.

debt-rr.com, sellingunlocked.com, heiserdevelopmentcorp.com plus two other host names have IP numbers in common with crefcoa.com.

Name Servers

Four name servers handle the delegation for crefcoa.com: ns1088.ui-dns.biz, ns1088.ui-dns.com, ns1088.ui-dns.de and ns1088.ui-dns.org.

The name servers of crefcoa.com overlap at least partially with those of other domains — among them pruebaspbl.org.es, notology.net, nomasnovatadas.es and two more.

These name servers commonly appear in delegations together with ns1027.ui-dns.biz, ns1055.ui-dns.com, ns1091.ui-dns.de and 5 other.

Each of the four hosts ns1088.ui-dns.biz, ns1088.ui-dns.com, ns1088.ui-dns.de and ns1088.ui-dns.org has two IP addresses. ns1088.ui-dns.biz points to 185.132.33.88 and 2607:f1c0:fe:53:185:132:33:88. ns1088.ui-dns.com points to 185.132.34.88 and 2607:f1c0:fe:53:185:132:34:88. ns1088.ui-dns.de points to 185.132.32.88 and 2607:f1c0:fe:53:185:132:32:88. ns1088.ui-dns.org points to 185.132.35.88 and 2607:f1c0:fe:53:185:132:35:88.

Mail Servers

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

The mail server setup of crefcoa.com matches that of other domains such as ikrack.com, freedomjiujitsu.com, beyondambiance.com and two others.

Both mx00.ionos.com and mx01.ionos.com have a single IP address each — mx00.ionos.com resolves to 74.208.114.65 while mx01.ionos.com resolves to 74.208.114.66.