`inbox-api.spredfast.com`

DNSSEC	⚠️ Not signed
A	100.31.27.230^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
		PTR	`ec2-100-31-27-230.compute-1.amazonaws.com`
A	100.52.78.33^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}

`spredfast.com`

	DNSSEC	⚠️ Not signed
	A	100.31.27.230^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
	A	100.52.78.33^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
	NS	`ns-426.awsdns-53.com` ⭐
	NS	`ns-1153.awsdns-16.org`
	NS	`ns-1831.awsdns-36.co.uk`
	NS	`ns-837.awsdns-40.net`
	MX	`smtp.google.com` ⭐
	TXT	`0ed1fe018a1624104454334ebab48e001787aa8281`
	TXT	`735grs3smpvrintfa5aaot0oka=`
	TXT	`atlassian-domain-verification=CW-VISfPWbAc99CtnUqyNVkZMC/SF0DzFK6F8wcXKPL4IFv...`
	TXT	`google-site-verification=O09t0JiqcVbPXRDyfSTUZr3SmQVdA0OpT7X5WE9HKTU`
	TXT	`v=spf1 ip4:168.245.13.235 include:_spf.google.com include:_spf.salesforce.com...`
	SOA	`ns-426.awsdns-53.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (65/100)
rank #262976 globally
rank #110627 in the tld
⚠️ On DNS blocklist: ultimate
WOT: UNKNOWN (81/100)
📈 Tranco rank: #252,374

DNS History

5 records (2 active, 3 former)

●A100.31.27.2302026-04-10 → 2026-04-13 · 3 obs

○ 2018-05-10 23:00:04
● 2026-04-10 18:46:26
● 2026-04-13 12:53:22

●A100.52.78.332026-04-13 → 2026-04-13 · 2 obs

○ 2026-04-13 09:09:08
● 2026-04-13 12:53:22

○A52.20.40.412026-04-10 → 2026-04-13 · 4 obs

○ 2018-05-10 23:00:04
● 2026-04-10 18:46:26
● 2026-04-13 09:09:08
○ 2026-04-13 12:53:22

○A52.205.56.2512018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 23:00:04
○ 2026-04-10 18:46:26
○ 2026-04-13 12:53:22

○A52.22.242.1052018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 23:00:04
○ 2026-04-10 18:46:26
○ 2026-04-13 12:53:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
spredfast.com	ns-426.awsdns-53.com, ns-837.awsdns-40.net, ns-1153.awsdns-16.org, ns-1831.awsdns-36.co.uk	1 record

✅ Authoritative Response

Server:205.251.193.170

NS records: ns-426.awsdns-53.com, ns-837.awsdns-40.net, ns-1153.awsdns-16.org, ns-1831.awsdns-36.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spredfast.com (unsigned zone)

⏱️ Timing

Total: 185ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`100.31.27.230, 100.52.78.33`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-426.awsdns-53.com)

Analysis

IP Addresses

inbox-api.spredfast.com points to two IP numbers: 100.31.27.230 and 100.52.78.33.

Other host names, for instance crm-gateway.spredfast.com, massrelevance.com, spredfast.com, segment.spredfast.com and publishing.spredfast.com share IP numbers with inbox-api.spredfast.com.

inbox-api.spredfast.com - robtex.com