syntax.fm - dns.ninja

`syntax.fm`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:19af^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:866d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.175^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.109^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dane.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b61^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c161^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2161^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dane.ns.cloudflare.com`
		A	108.162.193.97^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dane.ns.cloudflare.com`
		A	172.64.33.97^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dane.ns.cloudflare.com`
		A	173.245.59.97^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dane.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=ZldP3lc4IYS37KhXCZEifaJivJjV2Op-LbjDpPhX4q8`
TXT	`google-site-verification=zqEgJtpD7Af2x759_0TF1CQ_hjVJKxA3YG3sfsfu43Y`
TXT	`notion-domain-verification=c90gqLGTtH5azwbylNNVgf8QocPxulnPuF2FfGWfviB`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.175, 172.67.134.109
		IPv6 hints	2606:4700:3035::6815:19af, 2606:4700:3037::ac43:866d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`dane.ns.cloudflare.com`dns@cloudflare.com serial=2406960158

`fm`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.fm`
	NS	`b.nic.fm`
	NS	`c.nic.fm`
	NS	`d.nic.fm`
	NS	`e.nic.fm`
	NS	`f.nic.fm`
	SOA	`ns0.centralnic.net`itmanager@fsmtc.fm serial=313629

rank #166234 globally
rank #100 in the tld

syntax.fm

Syntax.fm is the official website for "Syntax", a popular web development podcast hosted by Wes Bos and Scott Tolinski, covering JavaScript, CSS, web tooling, and full-stack development topics.

Key facts

Owner / operator: Wes Bos and Scott Tolinski
TLD:.fm— sponsored (originally the ccTLD for the Federated States of Micronesia, widely repurposed for media/radio-related "FM" branding)
Primary purpose: podcast website — episode listings, show notes, and links to audio/video content
Status: active

📈 Tranco rank: #452,810

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DNS History

17 records (11 active, 6 former)

○NSasa.ns.cloudflare.com2017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:09:44
○ 2026-02-14 20:06:58
○ 2026-07-13 11:07:26

●NSdane.ns.cloudflare.com2026-02-14 → 2026-07-13 · 3 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●NSolga.ns.cloudflare.com2026-02-14 → 2026-07-13 · 3 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

○NStim.ns.cloudflare.com2017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:09:44
○ 2026-02-14 20:06:58
○ 2026-07-13 11:07:26

●MXalt1.aspmx.l.google.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●MXalt2.aspmx.l.google.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●MXalt3.aspmx.l.google.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●MXalt4.aspmx.l.google.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●MXaspmx.l.google.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

●A104.21.25.1752026-02-14 → 2026-07-13 · 3 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

○A13.56.57.632017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:09:44
○ 2026-02-14 20:06:58
○ 2026-07-13 11:07:26

●A172.67.134.1092026-02-14 → 2026-07-13 · 3 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
● 2026-07-13 11:07:26

○A2606:4700:3030::6815:19af2026-02-14 → 2026-02-14 · 4 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
○ 2026-07-02 18:19:38
○ 2026-07-13 11:07:26

○A2606:4700:3034::ac43:866d2026-02-14 → 2026-02-14 · 4 obs

○ 2017-07-09 15:09:44
● 2026-02-14 20:06:58
○ 2026-07-02 18:19:38
○ 2026-07-13 11:07:26

●A2606:4700:3035::6815:19af2026-07-02 → 2026-07-13 · 3 obs

○ 2026-02-14 20:06:58
● 2026-07-02 18:19:38
● 2026-07-13 11:07:26

●A2606:4700:3037::ac43:866d2026-07-02 → 2026-07-13 · 3 obs

○ 2026-02-14 20:06:58
● 2026-07-02 18:19:38
● 2026-07-13 11:07:26

○A54.183.46.1542017-07-09 → 2017-07-09 · 3 obs

● 2017-07-09 15:09:44
○ 2026-02-14 20:06:58
○ 2026-07-13 11:07:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fm	f.nic.fm, c.nic.fm, a.nic.fm, b.nic.fm...	-
syntax.fm	dane.ns.cloudflare.com, olga.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.97

NS records: dane.ns.cloudflare.com, olga.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for syntax.fm (unsigned zone)

⏱️ Timing

Total: 545ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.175, 172.67.134.109`
AAAA	2	`2606:4700:3035::6815:19af, 2606:4700:3037::ac43:866d`
NS	2	`dane.ns.cloudflare.com, olga.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=ZldP3lc4IYS37Kh, google-site-verification=zqEgJtpD7Af2x75...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dane.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

syntax.fm resolves to four IP addresses: 104.21.25.175, 172.67.134.109, 2606:4700:3035::6815:19af and 2606:4700:3037::ac43:866d.

Two other host names, along with amberpod.au, landbiz.net and preserveroofing.com, also share IP numbers with syntax.fm.

Name Servers

syntax.fm uses two name servers for its delegation: dane.ns.cloudflare.com and olga.ns.cloudflare.com.

syntax.fm shares its NS records with other domains, for example cnhorta.org, guru-huay.com, icilome.com and two others.

syntax.fm has at least partial name server overlap with other domains, such as jobsapp.com, red-life.com, neomediavalleyfield.com and two others.

It is common to find these name servers paired with the name servers dell.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname dane.ns.cloudflare.com directs to 108.162.193.97, 172.64.33.97 and 173.245.59.97 along with 3 other IP addresses.

Hostname olga.ns.cloudflare.com directs to 108.162.192.137, 172.64.32.137 and 173.245.58.137 along with 3 other IP addresses.

Mail Servers

syntax.fm is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between syntax.fm and other domains, including zuriac.in, ellinopoula.com, ns500693.ns500765.ns500699.ns500693.ns500734.ns500734.ns500699.ns500693.ns500699.ns500699.ns500699.ns500683.ns500588.ns500699.ns500612.ns500612.ns500110.dtrkdll.com and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com directs traffic to 173.194.45.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.