underflow.dev - dns.ninja

🛡️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

26 records (10 active, 16 former)

●NSns-1427.awsdns-50.org2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

●NSns-1935.awsdns-49.co.uk2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

●NSns-490.awsdns-61.com2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

●NSns-571.awsdns-07.net2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

●MXfb.mail.gandi.net2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

●MXspool.mail.gandi.net2026-09-21 → 2026-09-30 · 2 obs

● 2026-09-21 05:07:00
● 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

●A13.35.78.1022026-09-23 → 2026-09-30 · 9 obs

○ 2026-09-21 15:14:28
● 2026-09-23 19:22:04
○ 2026-09-24 22:43:48
● 2026-09-27 06:27:32
○ 2026-09-27 13:19:02
● 2026-09-29 09:01:26
○ 2026-09-29 12:00:46
● 2026-09-29 13:43:04
● 2026-09-30 05:07:22

●A13.35.78.1262026-09-23 → 2026-09-30 · 9 obs

●A13.35.78.462026-09-23 → 2026-09-30 · 9 obs

●A13.35.78.982026-09-23 → 2026-09-30 · 9 obs

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○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
○ 2026-09-30 05:07:22

○A52.222.244.442026-09-24 → 2026-09-29 · 8 obs

○ 2026-09-23 19:22:04
● 2026-09-24 22:43:48
○ 2026-09-27 06:27:32
● 2026-09-28 14:29:22
○ 2026-09-29 09:01:26
● 2026-09-29 12:00:46
○ 2026-09-29 13:43:04
○ 2026-09-30 05:07:22

○A52.222.244.542026-09-24 → 2026-09-29 · 8 obs

○ 2026-09-23 19:22:04
● 2026-09-24 22:43:48
○ 2026-09-27 06:27:32
● 2026-09-28 14:29:22
○ 2026-09-29 09:01:26
● 2026-09-29 12:00:46
○ 2026-09-29 13:43:04
○ 2026-09-30 05:07:22

○A52.222.244.652026-09-24 → 2026-09-29 · 8 obs

○ 2026-09-23 19:22:04
● 2026-09-24 22:43:48
○ 2026-09-27 06:27:32
● 2026-09-28 14:29:22
○ 2026-09-29 09:01:26
● 2026-09-29 12:00:46
○ 2026-09-29 13:43:04
○ 2026-09-30 05:07:22

○A52.222.244.722026-09-24 → 2026-09-29 · 8 obs

○ 2026-09-23 19:22:04
● 2026-09-24 22:43:48
○ 2026-09-27 06:27:32
● 2026-09-28 14:29:22
○ 2026-09-29 09:01:26
● 2026-09-29 12:00:46
○ 2026-09-29 13:43:04
○ 2026-09-30 05:07:22

○A52.84.45.1002026-09-27 → 2026-09-27 · 4 obs

○ 2026-09-27 06:27:32
● 2026-09-27 13:19:02
○ 2026-09-28 14:29:22
○ 2026-09-30 05:07:22

○A52.84.45.1042026-09-27 → 2026-09-27 · 4 obs

○ 2026-09-27 06:27:32
● 2026-09-27 13:19:02
○ 2026-09-28 14:29:22
○ 2026-09-30 05:07:22

○A52.84.45.502026-09-27 → 2026-09-27 · 4 obs

○ 2026-09-27 06:27:32
● 2026-09-27 13:19:02
○ 2026-09-28 14:29:22
○ 2026-09-30 05:07:22

○A52.84.45.552026-09-27 → 2026-09-27 · 4 obs

○ 2026-09-27 06:27:32
● 2026-09-27 13:19:02
○ 2026-09-28 14:29:22
○ 2026-09-30 05:07:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
underflow.dev	ns-571.awsdns-07.net, ns-1935.awsdns-49.co.uk, ns-490.awsdns-61.com, ns-1427.awsdns-50.org	-

✅ Authoritative Response

Server:205.251.194.59

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underflow.dev (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.78.46, 13.35.78.102...`
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`

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.

Additional host names — ireelaiai.com, stratus10.io, h5.d0600.vip and two others — share IP numbers with underflow.dev.

Name Servers

underflow.dev has four authoritative name servers: ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1427.awsdns-50.org and ns-1935.awsdns-49.co.uk.

The name servers of underflow.dev overlap at least partially with those of other domains — among them soltab.de, compassionatecremationsandfunerals.com, gwenduling.com and two more.

Each of the four hosts ns-490.awsdns-61.com, ns-571.awsdns-07.net, ns-1427.awsdns-50.org and ns-1935.awsdns-49.co.uk has two IP addresses. ns-490.awsdns-61.com points to 205.251.193.234 and 2600:9000:5301:ea00::1. ns-571.awsdns-07.net points to 205.251.194.59 and 2600:9000:5302:3b00::1. ns-1427.awsdns-50.org points to 205.251.197.147 and 2600:9000:5305:9300::1. ns-1935.awsdns-49.co.uk points to 205.251.199.143 and 2600:9000:5307:8f00::1.

Mail Servers

underflow.dev has two mail servers: fb.mail.gandi.net and spool.mail.gandi.net.

underflow.dev shares the same mail server setup as other domains, including bottrie.com, adnspaysagejardin.fr, kakemono.org and two others.

underflow.dev uses mail servers that are also used by other domains, including avocat-droit-du-travail.com, photo-denis-lebioda.net and digitalent.io.

Host names with 6 IP numbers:

fb.mail.gandi.net resolves to 217.70.178.215, 217.70.178.216 and 217.70.178.217 among others, with 3 other IP addresses in total.

Host names with two IP numbers:

spool.mail.gandi.net resolves to two addresses: 217.70.178.1 and 2001:4b98:e00::1.