briefer.dk

📜 Historical scan 2026-06-20 15:56:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

briefer.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 15 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.115 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mail.briefer.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

4 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.115	3600s	server-3-174-18-115.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.121	3600s	server-3-174-18-121.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.66	3600s	server-3-174-18-66.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.97	3600s	server-3-174-18-97.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.briefer.dk	46.32.48.136	—	AS39642 Sinal A/S

🔷 AAAA Records (IPv6)#

8 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:28e5:3800:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:4800:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:5a00:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:7200:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:7a00:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:9a00:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:ce00:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:d600:f:2422:4640:93a1	3600s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 471ms

TXT Record
hosting-site=breefer-4be46
k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAptc8is/CQT0XKNaTh/6gfye0G1eKz8co2mVQj7ygkIl3wPlv/y929x2WftdaWdy6RfIAuXNvq02HfKWq2al6AT9HcZmte7AILMk5BgrUuNOUlqd/UEtPL+n7UswkC5LZrRrwRU8agBEMGjK7paKA2V8SltHTUsqrP2sSIU6DcsTCbbPYbopgh5u4h73xRiDbjM9tifPh+W6tA2bcTG2NbENdlNaSrssMlUNu3NFEcdKKtEvnss+8LyABuZ7dT+Dcu6Zj7cJAKNcY+zkhEbnsy7HK361VkHz1l/wm8TfJzXoHexPO0dRE7bj2th74HgntsFVCr61OEGfvcgeZCMAqUQIDAQAB
v=spf1 ip4:46.32.48.136 include:_spf.firebasemail.com ~all

✉️ SPF#

Policy	Record (briefer.dk)
~all (soft fail)	v=spf1 ip4:46.32.48.136 include:_spf.firebasemail.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 08:32:41

www	NXDOMAIN
www vs bare domain	www does not resolve briefer.dk: 65.9.106.127 65.9.106.44 65.9.106.5 65.9.106.68 (AS16509) www.briefer.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

206ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

85ms

Field	Value
Serial	2026021601
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 04:18:53

Field	Value
Registrar	Simply.com A/S
Registered	2024-03-15
Expires	2027-03-14 (148d)

📋 WHOIS#

⏱️ Lookup Timing#

85ms

88ms

AAAA

83ms

TXT

471ms

CAA

83ms

HTTPS

86ms

TLSA

254ms

SOA

85ms

MTA-STS

104ms

DNSSEC

206ms

SRV

162ms

Total

1516ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:32:41	548ms	3 NS 4 A 1 MX	🔒 Secure
2026-10-07 23:24:46	635ms	3 NS 4 A 1 MX	🔒 Secure
2026-10-03 16:53:37	737ms	3 NS 4 A 1 MX	🔒 Secure
2026-10-03 04:06:44	3481ms	3 NS 4 A 1 MX	🔒 Secure
2026-08-28 04:43:34	1620ms	3 NS 4 A 1 MX	🔒 Secure
2026-06-20 15:56:29 shown	1516ms	3 NS 4 A 1 MX	🔒 Secure
2026-06-16 16:55:39	758ms	3 NS 4 A 1 MX	🔒 Secure