sdformat.org - dns.ninja

`sdformat.org`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns-517.awsdns-00.net` ⭐
		A	2600:9000:5302:500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-517.awsdns-00.net`
		A	205.251.194.5^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-517.awsdns-00.net`
NS	`ns-1247.awsdns-27.org`
		A	2600:9000:5304:df00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1247.awsdns-27.org`
		A	205.251.196.223^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1247.awsdns-27.org`
NS	`ns-1940.awsdns-50.co.uk`
		A	2600:9000:5307:9400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1940.awsdns-50.co.uk`
		A	205.251.199.148^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1940.awsdns-50.co.uk`
NS	`ns-221.awsdns-27.com`
		A	2600:9000:5300:dd00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-221.awsdns-27.com`
		A	205.251.192.221^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-221.awsdns-27.com`
SOA	`ns-517.awsdns-00.net`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783978174

Same first word

sdformat.com

sdformat.org

Similar names

DNS History

17 records (12 active, 5 former)

●NSns-1247.awsdns-27.org2026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●NSns-1940.awsdns-50.co.uk2026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●NSns-221.awsdns-27.com2026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●NSns-517.awsdns-00.net2026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

○NSns75.domaincontrol.com2015-07-08 → 2017-04-02 · 4 obs

● 2015-07-08 20:23:50
● 2017-04-02 21:26:10
○ 2026-03-30 04:57:52
○ 2026-07-13 22:00:52

○NSns76.domaincontrol.com2015-07-08 → 2017-04-02 · 4 obs

● 2015-07-08 20:23:50
● 2017-04-02 21:26:10
○ 2026-03-30 04:57:52
○ 2026-07-13 22:00:52

○MXmailstore1.secureserver.net2015-07-08 → 2017-04-02 · 4 obs

● 2015-07-08 20:23:50
● 2017-04-02 21:26:10
○ 2026-03-30 04:57:52
○ 2026-07-13 22:00:52

○MXsmtp.secureserver.net2015-07-08 → 2017-04-02 · 4 obs

● 2015-07-08 20:23:50
● 2017-04-02 21:26:10
○ 2026-03-30 04:57:52
○ 2026-07-13 22:00:52

●A185.199.108.1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A185.199.109.1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A185.199.110.1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A185.199.111.1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A2606:50c0:8000::1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A2606:50c0:8001::1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A2606:50c0:8002::1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

●A2606:50c0:8003::1532026-03-30 → 2026-07-13 · 3 obs

○ 2017-04-02 21:26:10
● 2026-03-30 04:57:52
● 2026-07-13 22:00:52

○A54.235.161.1372015-07-08 → 2017-04-02 · 4 obs

● 2015-07-08 20:23:50
● 2017-04-02 21:26:10
○ 2026-03-30 04:57:52
○ 2026-07-13 22:00:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
sdformat.org	ns-517.awsdns-00.net, ns-221.awsdns-27.com, ns-1940.awsdns-50.co.uk, ns-1247.awsdns-27.org	2 records

✅ Authoritative Response

Server:205.251.196.223

NS records: ns-517.awsdns-00.net, ns-221.awsdns-27.com, ns-1940.awsdns-50.co.uk, ns-1247.awsdns-27.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdformat.org (unsigned zone)

⏱️ Timing

Total: 672ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.110.153...`
AAAA	4	`2606:50c0:8003::153, 2606:50c0:8000::153...`
NS	4	`ns-1247.awsdns-27.org, ns-1940.awsdns-50.co.uk...`
SOA	1	`ns-517.awsdns-00.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1247.awsdns-27.org, ns-1247.awsdns-27.org)

Analysis

IP Addresses

With 8 IP addresses in total, sdformat.org resolves to 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Among the host names that share IP numbers with sdformat.org are tocchan.github.io, jcnf.me, dclong.github.io and two others.

Name Servers

The domain sdformat.org is delegated to these four name servers: ns-221.awsdns-27.com, ns-517.awsdns-00.net, ns-1247.awsdns-27.org and ns-1940.awsdns-50.co.uk.

sdformat.org has at least partial name server overlap with other domains, such as city-marathon.nagoya, mtvsportcenter.fi, tru-rx.com and two others.

These name servers tend to appear together with the name servers ns-834.awsdns-40.net, ns-1212.awsdns-23.org and ns-41.awsdns-05.com.

ns-221.awsdns-27.com, ns-517.awsdns-00.net, ns-1247.awsdns-27.org and ns-1940.awsdns-50.co.uk all point to exactly two IP numbers each: ns-221.awsdns-27.com → 205.251.192.221 and 2600:9000:5300:dd00::1; ns-517.awsdns-00.net → 205.251.194.5 and 2600:9000:5302:500::1; ns-1247.awsdns-27.org → 205.251.196.223 and 2600:9000:5304:df00::1; ns-1940.awsdns-50.co.uk → 205.251.199.148 and 2600:9000:5307:9400::1.