🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`underflow.dev`

DNSSEC	⚠️ Not signed
A	13.35.78.46^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
		PTR	`server-13-35-78-46.iad61.r.cloudfront.net`
A	13.35.78.98^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.102^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.126^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
NS	`ns-1935.awsdns-49.co.uk` ⭐
		A	2600:9000:5307:8f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1935.awsdns-49.co.uk`
		A	205.251.199.143^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1935.awsdns-49.co.uk`
NS	`ns-1427.awsdns-50.org`
		A	2600:9000:5305:9300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1427.awsdns-50.org`
		A	205.251.197.147^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1427.awsdns-50.org`
NS	`ns-490.awsdns-61.com`
		A	2600:9000:5301:ea00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-490.awsdns-61.com`
		A	205.251.193.234^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-490.awsdns-61.com`
NS	`ns-571.awsdns-07.net`
		A	2600:9000:5302:3b00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-571.awsdns-07.net`
		A	205.251.194.59^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-571.awsdns-07.net`
MX	`spool.mail.gandi.net` ⭐
		A	2001:4b98:e00::1^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
		A	217.70.178.1^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
MX	`fb.mail.gandi.net`⁽⁵⁰⁾
		A	2001:4b98:dc4:8::215^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	2001:4b98:dc4:8::216^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	2001:4b98:dc4:8::217^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
		A	217.70.178.215^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	217.70.178.216^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	217.70.178.217^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
TXT	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	`ns-1935.awsdns-49.co.uk`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

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Previous names

Next names

DNS History

18 records (10 active, 8 former)

●NSns-1427.awsdns-50.org2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

●NSns-1935.awsdns-49.co.uk2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

●NSns-490.awsdns-61.com2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

●NSns-571.awsdns-07.net2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

●MXfb.mail.gandi.net2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

●MXspool.mail.gandi.net2026-09-21 → 2026-09-24 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-24 20:14:24

○A13.35.107.1052026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-21 05:07:00
● 2026-09-21 09:45:12
○ 2026-09-21 15:14:28
○ 2026-09-24 20:14:24

○A13.35.107.1082026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-21 05:07:00
● 2026-09-21 09:45:12
○ 2026-09-21 15:14:28
○ 2026-09-24 20:14:24

○A13.35.107.622026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-21 05:07:00
● 2026-09-21 09:45:12
○ 2026-09-21 15:14:28
○ 2026-09-24 20:14:24

○A13.35.107.742026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-21 05:07:00
● 2026-09-21 09:45:12
○ 2026-09-21 15:14:28
○ 2026-09-24 20:14:24

●A13.35.78.1022026-09-23 → 2026-09-24 · 3 obs

○ 2026-09-21 15:14:28
● 2026-09-23 19:22:04
● 2026-09-24 20:14:24

●A13.35.78.1262026-09-23 → 2026-09-24 · 3 obs

○ 2026-09-21 15:14:28
● 2026-09-23 19:22:04
● 2026-09-24 20:14:24

●A13.35.78.462026-09-23 → 2026-09-24 · 3 obs

○ 2026-09-21 15:14:28
● 2026-09-23 19:22:04
● 2026-09-24 20:14:24

●A13.35.78.982026-09-23 → 2026-09-24 · 3 obs

○ 2026-09-21 15:14:28
● 2026-09-23 19:22:04
● 2026-09-24 20:14:24

○A3.174.141.1212026-09-21 → 2026-09-21 · 5 obs

● 2026-09-21 05:07:00
○ 2026-09-21 09:45:12
● 2026-09-21 15:14:28
○ 2026-09-23 19:22:04
○ 2026-09-24 20:14:24

○A3.174.141.172026-09-21 → 2026-09-21 · 5 obs

● 2026-09-21 05:07:00
○ 2026-09-21 09:45:12
● 2026-09-21 15:14:28
○ 2026-09-23 19:22:04
○ 2026-09-24 20:14:24

○A3.174.141.362026-09-21 → 2026-09-21 · 5 obs

● 2026-09-21 05:07:00
○ 2026-09-21 09:45:12
● 2026-09-21 15:14:28
○ 2026-09-23 19:22:04
○ 2026-09-24 20:14:24

○A3.174.141.702026-09-21 → 2026-09-21 · 5 obs

● 2026-09-21 05:07:00
○ 2026-09-21 09:45:12
● 2026-09-21 15:14:28
○ 2026-09-23 19:22:04
○ 2026-09-24 20:14:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
underflow.dev	ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1935.awsdns-49.co.uk, ns-1427.awsdns-50.org	-

✅ Authoritative Response

Server:205.251.197.147

NS records: ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1935.awsdns-49.co.uk, ns-1427.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underflow.dev (unsigned zone)

⏱️ Timing

Total: 1762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.78.102, 13.35.78.126...`
NS	4	`ns-1427.awsdns-50.org, ns-1935.awsdns-49.co.uk...`
MX	2	`spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`ns-1935.awsdns-49.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

underflow.dev points to the four IP addresses 13.35.78.46, 13.35.78.98, 13.35.78.102 and 13.35.78.126.

Two other host names, along with stratus10.io, aboutadam.dev and lightcleaner.net, also share IP numbers with underflow.dev.

Name Servers

The NS records for underflow.dev point to four name servers: ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1427.awsdns-50.org and ns-1935.awsdns-49.co.uk.

There is at least partial name server overlap between underflow.dev and other domains — soltab.de, compassionatecremationsandfunerals.com, gwenduling.com and two more among them.

All four hostnames — ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1427.awsdns-50.org and ns-1935.awsdns-49.co.uk — resolve to two IP numbers apiece: ns-490.awsdns-61.com to 205.251.193.234 and 2600:9000:5301:ea00::1; ns-571.awsdns-07.net to 205.251.194.59 and 2600:9000:5302:3b00::1; ns-1427.awsdns-50.org to 205.251.197.147 and 2600:9000:5305:9300::1; ns-1935.awsdns-49.co.uk to 205.251.199.143 and 2600:9000:5307:8f00::1.

Mail Servers

underflow.dev is served by two mail servers, fb.mail.gandi.net and spool.mail.gandi.net.

Among the domains sharing a mail server setup with underflow.dev are bottrie.com, adnspaysagejardin.fr, kakemono.org and two others.

underflow.dev shares mail servers with at least some other domains, such as avocat-droit-du-travail.com, photo-denis-lebioda.net and digitalent.io.

DNS names with 6 IP addresses:

fb.mail.gandi.net resolves to 217.70.178.215, 217.70.178.216, 217.70.178.217 and 3 other IP addresses.

Host names that have two IP addresses:

spool.mail.gandi.net points to 217.70.178.1 and 2001:4b98:e00::1.

underflow.dev - robtex.com

underflow.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`underflow.dev`

`dev`