`backreference.org`

DNSSEC	⚠️ Not signed
A	2a01:7e00::f03c:91ff:fe96:96f3^{🇬🇧 AKAMAI-LINODE-AP2a01:7e00::/32 Akamai Technologies}
		PTR	`kermit.backreference.org`
A	109.74.198.107^{🇬🇧 AKAMAI-LINODE-AP109.74.192.0/20 Akamai Technologies}
NS	`ns1.he.net` ⭐
		A	2001:470:100::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
		A	216.218.130.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
NS	`ns2.he.net`
		A	2001:470:200::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
		A	216.218.131.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
NS	`ns3.he.net`
		A	2001:470:300::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
		A	216.218.132.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
NS	`ns4.he.net`
		A	2001:470:400::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
NS	`ns5.he.net`
		A	2001:470:500::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
		A	216.66.80.18^{🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 a mx ip4:109.74.198.107/32 ip6:2a01:7e00:e001:d00::/64 ip6:2a01:7e00::...`
TXT	`aa-verify=e4b912a933e6ec71ad0e782d5afb9615b57bc06f`
SOA	`ns1.he.net`hostmaster@he.net 2026-04-19 #3

`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=1778380797

rank #552925 globally
rank #42215 in the tld
📈 Tranco rank: #667,798

Subdomains

kermit.backreference.org

Same first word

backreference.net

backreference.com

backreference.org

DNS History

10 records (9 active, 1 former)

●NSns1.he.net2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●NSns2.he.net2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●NSns3.he.net2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●NSns4.he.net2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●NSns5.he.net2015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●MXmx1.improvmx.com2026-02-19 → 2026-05-10 · 3 obs

○ 2017-04-21 00:34:02
● 2026-02-19 18:39:24
● 2026-05-10 02:46:34

●MXmx2.improvmx.com2026-02-19 → 2026-05-10 · 3 obs

○ 2017-04-21 00:34:02
● 2026-02-19 18:39:24
● 2026-05-10 02:46:34

○MXsphinx.mythic-beasts.com2015-08-19 → 2017-04-21 · 4 obs

● 2015-08-19 04:40:10
● 2017-04-21 00:34:02
○ 2026-02-19 18:39:24
○ 2026-05-10 02:46:34

●A109.74.198.1072015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

●A2a01:7e00::f03c:91ff:fe96:96f32015-08-19 → 2026-05-10 · 2 obs

● 2015-08-19 04:40:10
● 2026-05-10 02:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
backreference.org	ns5.he.net, ns3.he.net, ns2.he.net, ns4.he.net	-

✅ Authoritative Response

Server:216.66.1.2

NS records: ns5.he.net, ns3.he.net, ns2.he.net, ns4.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backreference.org (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.74.198.107`
AAAA	1	`2a01:7e00::f03c:91ff:fe96:96f3`
NS	4	`ns4.he.net, ns5.he.net...`
MX	2	`mx2.improvmx.com (pri: 20), mx1.improvmx.com (pri: 10)`
TXT	2	`v=spf1 a mx ip4:109.74.198.107/32 ip6:2a, aa-verify=e4b912a933e6ec71ad0e782d5afb96`
SOA	1	`ns1.he.net hostmaster.he.net`

Analysis

Hierarchy

kermit.backreference.org is a child of backreference.org.

IP Addresses

backreference.org has two IP numbers: 2a01:7e00::f03c:91ff:fe96:96f3 and 109.74.198.107.

Other host names, for example kermit.backreference.org, share IP numbers with backreference.org.

Name Servers

backreference.org is delegated to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.

backreference.org at least partially shares name servers with other domains, including mzk.elk.pl, dantall.com, biscits.co.uk, maozai.com and 79.210.38.in-addr.arpa.