`davidfisk.com`

DNSSEC	⚠️ Not signed
A	2600:3c0a::f03c:94ff:fefb:a245^{🇺🇸 AKAMAI-LINODE-AP2600:3c0a::/32 Akamai Technologies}
		PTR	`davidfisk.com`
A	172.232.185.19^{🇺🇸 AKAMAI-LINODE-AP172.232.160.0/19 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` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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	`mx1.davidfisk.com` ⭐
		A	172.232.185.19^{🇺🇸 AKAMAI-LINODE-AP172.232.160.0/19 Akamai Technologies}
			PTR	`davidfisk.com`
MX	`davidfisk-com.mail.protection.outlook.com`⁽²⁰⁾
TXT	`v=spf1 include:secureserver.net -all`
TXT	`v=spf1 a ip4:172.232.185.19 ip6:2600:3c0a::f03c:94ff:fefb:a245 ~all`
SOA	`ns1.linode.com`mail@davidfisk.com serial=2021000026

`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=1778843226

PTR for

5.4.2.a.b.f.e.f.f.f.4.9.c.3.0.f.0.0.0.0.0.0.0.0.a.0.c.3.0.0.6.2.ip6.arpa

19.185.232.172.in-addr.arpa

Subdomains

mx1.davidfisk.com

mail.davidfisk.com

Same first word

davidfisk.com

DNS History

16 records (9 active, 7 former)

●NSns1.linode.com2015-08-03 → 2026-05-15 · 2 obs

● 2015-08-03 03:33:06
● 2026-05-15 11:21:26

●NSns2.linode.com2015-08-03 → 2026-05-15 · 2 obs

● 2015-08-03 03:33:06
● 2026-05-15 11:21:26

●NSns3.linode.com2015-08-03 → 2026-05-15 · 2 obs

● 2015-08-03 03:33:06
● 2026-05-15 11:21:26

●NSns4.linode.com2015-08-03 → 2026-05-15 · 2 obs

● 2015-08-03 03:33:06
● 2026-05-15 11:21:26

●NSns5.linode.com2015-08-03 → 2026-05-15 · 2 obs

● 2015-08-03 03:33:06
● 2026-05-15 11:21:26

○MXalt1.aspmx.l.google.com2015-08-03 → 2018-02-19 · 4 obs

● 2015-08-03 03:33:06
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

○MXalt2.aspmx.l.google.com2015-08-03 → 2018-02-19 · 4 obs

● 2015-08-03 03:33:06
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

○MXaspmx.l.google.com2015-08-03 → 2018-02-19 · 4 obs

● 2015-08-03 03:33:06
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

○MXaspmx2.googlemail.com2015-08-03 → 2018-02-19 · 4 obs

● 2015-08-03 03:33:06
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

○MXaspmx3.googlemail.com2015-08-03 → 2018-02-19 · 4 obs

● 2015-08-03 03:33:06
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

●MXdavidfisk-com.mail.protection.outlook.com2026-02-23 → 2026-05-15 · 3 obs

○ 2018-02-19 23:34:36
● 2026-02-23 03:16:16
● 2026-05-15 11:21:26

●MXmx1.davidfisk.com2026-02-23 → 2026-05-15 · 3 obs

○ 2018-02-19 23:34:36
● 2026-02-23 03:16:16
● 2026-05-15 11:21:26

●A172.232.185.192026-02-23 → 2026-05-15 · 3 obs

○ 2018-02-19 23:34:36
● 2026-02-23 03:16:16
● 2026-05-15 11:21:26

○A173.255.217.872015-08-03 → 2015-12-18 · 4 obs

● 2015-08-03 03:33:06
● 2015-12-18 02:40:48
○ 2016-03-25 03:06:16
○ 2026-05-15 11:21:26

○A173.255.218.1942016-03-25 → 2018-02-19 · 5 obs

○ 2015-12-18 02:40:48
● 2016-03-25 03:06:16
● 2018-02-19 23:34:36
○ 2026-02-23 03:16:16
○ 2026-05-15 11:21:26

●A2600:3c0a::f03c:94ff:fefb:a2452026-02-23 → 2026-05-15 · 3 obs

○ 2018-02-19 23:34:36
● 2026-02-23 03:16:16
● 2026-05-15 11:21:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
davidfisk.com	ns1.linode.com, ns2.linode.com	4 records

✅ Authoritative Response

Server:92.123.94.3

NS records: ns1.linode.com, ns2.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for davidfisk.com (unsigned zone)

⏱️ Timing

Total: 343ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.232.185.19`
AAAA	1	`2600:3c0a::f03c:94ff:fefb:a245`
NS	5	`ns3.linode.com, ns2.linode.com...`
MX	2	`mx1.davidfisk.com (pri: 10), davidfisk-com.mail.protection.outlook.co`
TXT	2	`v=spf1 include:secureserver.net -all, v=spf1 a ip4:172.232.185.19 ip6:2600:3c0`
SOA	1	`ns1.linode.com mail.davidfisk.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Hierarchy

davidfisk.com is a parent of mx1.davidfisk.com and mail.davidfisk.com.

IP Addresses

davidfisk.com resolves to two IP numbers: 2600:3c0a::f03c:94ff:fefb:a245 and 172.232.185.19.

Other host names, for instance 172-232-185-19.ip.linodeusercontent.com, mx1.davidfisk.com and mail.davidfisk.com share IP numbers with davidfisk.com.