cflearning.org - dns.ninja

`cflearning.org`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::20e^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-020e.elastic-ssl.ui-r.com`
A	74.208.236.225^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1079.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:79^{🇺🇸 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	`ns1079.ui-dns.de`
		A	217.160.80.79^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.de`
NS	`ns1079.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:514f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.biz`
		A	217.160.81.79^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.biz`
NS	`ns1079.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:524f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.com`
		A	217.160.82.79^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.com`
NS	`ns1079.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:534f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.org`
		A	217.160.83.79^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1079.ui-dns.de`hostmaster@1and1.com 2017-05-04 #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=1782374633

Subdomains

www.cflearning.org

Same first word

cflearning.org

Similar names

fclearning.com

grnleafinc.com

DNS History

20 records (8 active, 12 former)

○NSns-us.1and1-dns.com2015-07-12 → 2017-08-08 · 4 obs

● 2015-07-12 22:50:18
● 2017-08-08 05:29:40
○ 2026-02-28 22:42:02
○ 2026-06-25 08:39:38

○NSns-us.1and1-dns.de2015-07-12 → 2017-08-08 · 4 obs

● 2015-07-12 22:50:18
● 2017-08-08 05:29:40
○ 2026-02-28 22:42:02
○ 2026-06-25 08:39:38

○NSns-us.1and1-dns.org2015-07-12 → 2017-08-08 · 4 obs

● 2015-07-12 22:50:18
● 2017-08-08 05:29:40
○ 2026-02-28 22:42:02
○ 2026-06-25 08:39:38

○NSns-us.1and1-dns.us2015-07-12 → 2017-08-08 · 4 obs

● 2015-07-12 22:50:18
● 2017-08-08 05:29:40
○ 2026-02-28 22:42:02
○ 2026-06-25 08:39:38

●NSns1079.ui-dns.biz2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

●NSns1079.ui-dns.com2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

●NSns1079.ui-dns.de2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

●NSns1079.ui-dns.org2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

○MXmail.calfarley.org2015-11-16 → 2017-08-08 · 5 obs

○ 2015-07-12 22:50:18
● 2015-11-16 13:55:24
● 2017-08-08 05:29:40
○ 2026-02-28 22:42:02
○ 2026-06-25 08:39:38

○MXmx00.1and1.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 22:50:18
○ 2015-11-16 13:55:24
○ 2026-06-25 08:39:38

●MXmx00.ionos.com2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

○MXmx01.1and1.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 22:50:18
○ 2015-11-16 13:55:24
○ 2026-06-25 08:39:38

●MXmx01.ionos.com2026-02-28 → 2026-06-25 · 3 obs

○ 2017-08-08 05:29:40
● 2026-02-28 22:42:02
● 2026-06-25 08:39:38

○A198.251.66.482015-11-16 → 2016-02-10 · 5 obs

○ 2015-07-12 22:50:18
● 2015-11-16 13:55:24
● 2016-02-10 01:53:38
○ 2016-05-08 22:47:30
○ 2026-06-25 08:39:38

○A2607:f1c0:1000:70e5:6445:d982:766:881a2016-05-08 → 2016-06-27 · 5 obs

○ 2016-02-10 01:53:38
● 2016-05-08 22:47:30
● 2016-06-27 16:59:40
○ 2017-08-08 05:29:40
○ 2026-06-25 08:39:38

○A2607:f1c0:1000:70e5:668d:5b8a:4c1d:68092015-11-16 → 2016-02-10 · 5 obs

○ 2015-07-12 22:50:18
● 2015-11-16 13:55:24
● 2016-02-10 01:53:38
○ 2016-05-08 22:47:30
○ 2026-06-25 08:39:38

●A2607:f1c0:100f:f000::20e2017-08-08 → 2026-06-25 · 3 obs

○ 2016-06-27 16:59:40
● 2017-08-08 05:29:40
● 2026-06-25 08:39:38

○A66.62.146.692015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 22:50:18
○ 2015-11-16 13:55:24
○ 2026-06-25 08:39:38

●A74.208.236.2252017-08-08 → 2026-06-25 · 3 obs

○ 2016-06-27 16:59:40
● 2017-08-08 05:29:40
● 2026-06-25 08:39:38

○A74.208.245.2522016-05-08 → 2016-06-27 · 5 obs

○ 2016-02-10 01:53:38
● 2016-05-08 22:47:30
● 2016-06-27 16:59:40
○ 2017-08-08 05:29:40
○ 2026-06-25 08:39:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cflearning.org	ns1079.ui-dns.org, ns1079.ui-dns.de, ns1079.ui-dns.biz, ns1079.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.79

NS records: ns1079.ui-dns.org, ns1079.ui-dns.de, ns1079.ui-dns.biz, ns1079.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cflearning.org (unsigned zone)

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.225`
AAAA	1	`2607:f1c0:100f:f000::20e`
NS	4	`ns1079.ui-dns.com, ns1079.ui-dns.org...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1079.ui-dns.de hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1079.ui-dns.org, ns1079.ui-dns.org)

Analysis

Hierarchy

cflearning.org is the parent zone for www.cflearning.org.

IP Addresses

cflearning.org directs to two IP numbers, 74.208.236.225 and 2607:f1c0:100f:f000::20e

Additional host names — stlpc.com, eransage.com, taplastic.com and two others — share IP numbers with cflearning.org.

Name Servers

cflearning.org has four authoritative name servers: ns1079.ui-dns.biz, ns1079.ui-dns.com, ns1079.ui-dns.de and ns1079.ui-dns.org.

cflearning.org partially shares its NS delegation with several other domains, including getthequote.com, devispeinture.org, arztpraxis-siwkowski.de and two others.

In DNS configurations, these name servers often share authority with ns1078.ui-dns.com, ns1087.ui-dns.biz, ns1100.ui-dns.com and 3 other name servers.

ns1079.ui-dns.biz, ns1079.ui-dns.com, ns1079.ui-dns.de and ns1079.ui-dns.org each carry two IP addresses. ns1079.ui-dns.biz has 217.160.81.79 and 2001:8d8:fe:53:0:d9a0:514f:100; ns1079.ui-dns.com has 217.160.82.79 and 2001:8d8:fe:53:0:d9a0:524f:100; ns1079.ui-dns.de has 217.160.80.79 and 2607:f1c0:fe:53:185:132:32:79; ns1079.ui-dns.org has 217.160.83.79 and 2001:8d8:fe:53:0:d9a0:534f:100.

Mail Servers

cflearning.org has two mail servers: mx00.ionos.com and mx01.ionos.com.

cflearning.org shares the same mail server setup as other domains, including mail.service-machine.com, fortbedfordmetaldetectors.net, radarisk.com and two others.

mx00.ionos.com resolves to 74.208.5.3. mx01.ionos.com resolves to 74.208.5.21. Both host names point to a single IP number.