asmus-lyngby.dk

📜 Historical scan 2026-06-19 06:33:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

asmus-lyngby.dk is a .dk domain served by 2 nameservers (david.ns.cloudflare.com, pam.ns.cloudflare.com). It was registered on 29 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.93 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a 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#

2 records   47ms
NameserverIP addressesPTRASN / ISP
david.ns.cloudflare.com 108.162.193.152
172.64.33.152
173.245.59.152
2606:4700:58::adf5:3b98
2803:f800:50::6ca2:c198
2a06:98c1:50::ac40:2198		 david.ns.cloudflare.com
david.ns.cloudflare.com
david.ns.cloudflare.com
david.ns.cloudflare.com
david.ns.cloudflare.com
david.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
pam.ns.cloudflare.com 108.162.192.138
172.64.32.138
173.245.58.138
2606:4700:50::adf5:3a8a
2803:f800:50::6ca2:c08a
2a06:98c1:50::ac40:208a		 pam.ns.cloudflare.com
pam.ns.cloudflare.com
pam.ns.cloudflare.com
pam.ns.cloudflare.com
pam.ns.cloudflare.com
pam.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.92.93 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.190.225 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover188.245.100.10
🔶 Autoconfig172.67.190.225

🔷 AAAA Records (IPv6)#

2 records   65ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:5c5d 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:bee1 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.92.93,172.67.190.225 ech=AEX+DQBBzAAgACDsblZfNCqDrts7auH1OSOHuzyp7cWxIOSiuIjvJdToHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5c5d,2606:4700:3036::ac43:bee1

🔌 SRV Records#

1 records   86ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   191ms
TXT Record
brevo-code:e1ba1f1696477b9dd7f0aef2d4647c6b
v=spf1 +a +mx +ip4:35.214.134.161 include:spf.simply.com include:_spf.mailspamprotection.com ~all

✉️ SPF#

PolicyRecord (asmus-lyngby.dk)
~all (soft fail) v=spf1 +a +mx +ip4:35.214.134.161 include:spf.simply.com include:_spf.mailspamprotection.com ~all

📨 DMARC#

PolicyRecord (_dmarc.asmus-lyngby.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-07 18:02:00
www104.21.92.93 172.67.190.225 2606:4700:3031::6815:5c5d 2606:4700:3033::ac43:bee1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records   159ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

91ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

62ms
FieldValue
Serial2405426342
Primary NS (MNAME)david.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-08-08 21:14:54
FieldValue
RegistrarSimply.com A/S
Registered2010-01-29
Expires2027-01-31 (103d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
47ms
A
35ms
MX
55ms
AAAA
65ms
TXT
191ms
CAA
44ms
HTTPS
44ms
TLSA
159ms
SOA
62ms
MTA-STS
63ms
DNSSEC
91ms
SRV
86ms
Total
966ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 15:27:16 1580ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 14:35:02 9560ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 08:58:11 735ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 08:49:58 854ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 07:50:07 1543ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 07:13:32 1989ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-02 04:32:20 750ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-29 06:26:03 1029ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 03:03:33 736ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 18:13:13 1612ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-08 21:13:57 8855ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-24 21:08:22 16821ms 2 NS 2 A 1 MX ❓ Unknown
2026-07-15 19:55:33 9841ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 16:48:21 1063ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 15:44:14 1777ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 06:14:24 924ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 07:00:31 1471ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 06:33:26 shown 966ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 15:44:50 1115ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 13:45:22 683ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone