`sciencecouple.com`

DNSSEC	⚠️ Not signed
A	2600:3c01::f03c:91ff:fe50:2f26^{🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies}
A	173.255.244.229^{🇺🇸 AKAMAI-LINODE-AP173.255.240.0/20 Akamai Technologies}
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`mail.sciencecouple.com` ⭐
		A	2600:3c01::f03c:91ff:fe50:2f26^{🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies}
		A	173.255.244.229^{🇺🇸 AKAMAI-LINODE-AP173.255.240.0/20 Akamai Technologies}
			PTR	`ackmi.com`
SOA	`ns1.linode.com`info@ackmi.com 2018-10-31 #54

`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=1775257932

Subdomains

mail.sciencecouple.com

Same first word

sciencecouple.com

DNS History

11 records (8 active, 3 former)

●NSns1.linode.com2026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

●NSns2.linode.com2026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

●NSns3.linode.com2026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

●NSns4.linode.com2026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

●NSns5.linode.com2026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

○NSns8135.hostgator.com2017-10-22 → 2017-10-22 · 3 obs

● 2017-10-22 19:01:00
○ 2026-02-15 05:32:54
○ 2026-04-03 23:14:36

○NSns8136.hostgator.com2017-10-22 → 2017-10-22 · 3 obs

● 2017-10-22 19:01:00
○ 2026-02-15 05:32:54
○ 2026-04-03 23:14:36

●MXmail.sciencecouple.com2017-10-22 → 2026-04-03 · 2 obs

● 2017-10-22 19:01:00
● 2026-04-03 23:14:36

●A173.255.244.2292026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

○A192.185.20.912017-10-22 → 2017-10-22 · 3 obs

● 2017-10-22 19:01:00
○ 2026-02-15 05:32:54
○ 2026-04-03 23:14:36

●A2600:3c01::f03c:91ff:fe50:2f262026-02-15 → 2026-04-03 · 3 obs

○ 2017-10-22 19:01:00
● 2026-02-15 05:32:54
● 2026-04-03 23:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sciencecouple.com	ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com...	10 records

✅ Authoritative Response

Server:92.123.95.4

NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencecouple.com (unsigned zone)

⏱️ Timing

Total: 280ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.255.244.229`
AAAA	1	`2600:3c01::f03c:91ff:fe50:2f26`
NS	5	`ns3.linode.com, ns2.linode.com...`
MX	1	`mail.sciencecouple.com (pri: 10)`
SOA	1	`ns1.linode.com info.ackmi.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Hierarchy

sciencecouple.com is parent of mail.sciencecouple.com.

IP Addresses

sciencecouple.com points to two IP numbers: 2600:3c01::f03c:91ff:fe50:2f26 and 173.255.244.229.

Other host names, for instance www.chrismweb.com, www.ackmi.com, mail.sciencecouple.com, chrismweb.com and ackmi.com share IP numbers with sciencecouple.com.

Name Servers

sciencecouple.com is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

sciencecouple.com at least partially shares its name servers with other domains, for instance homeloanadvocates.org, thecivilwarbuff.com, ax41.onedot.cloud, lohnet.com and doorbuzzing.com.

Host names with two IP numbers:

ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.

ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.

ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.

ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4.

ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2.

Mail Servers

sciencecouple.com is served by a single mail server, mail.sciencecouple.com.

Hostname mail.sciencecouple.com resolves to two IPs: 2600:3c01::f03c:91ff:fe50:2f26 and 173.255.244.229.

sciencecouple.com - robtex.com